user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: What was the university that the person that said "yes we can" attended? 
Knowledge Triplets: m.02wnpf5, education.education.institution, Harvard Law School
m.0hhy3m_, education.education.institution, Harvard Law School
m.04hfhnt, education.education.institution, Columbia University
m.0n1lyqn, education.education.institution, Harvard Law School
m.0770lzz, education.education.institution, Columbia University
m.0101hyzg, education.education.institution, Columbia University
m.02wn20_, education.education.institution, Harvard Law School
m.06wgjkk, education.education.institution, Columbia University
m.0gggktm, education.education.institution, Columbia University
m.012gkyhd, education.education.institution, Columbia University
m.0ggggd_, education.education.institution, Columbia University
Yes We Can, music.composition.composer, Barack Obama
m.04lntgg, education.education.institution, Columbia University
m.04htnrg, education.education.institution, Columbia University
m.06wgkyj, education.education.institution, Harvard Law School
m.0gggky5, education.education.institution, Columbia University
m.0fpkyz7, education.education.institution, Columbia University
m.0_7grzq, education.education.institution, Columbia University
m.0n0zsh_, education.education.institution, Columbia University
m.04yvzxh, education.education.institution, Harvard Law School
m.062yyqj, education.education.institution, Harvard Law School
m.06wgkff, education.education.institution, Columbia University
m.02wnv28, education.education.institution, Harvard Law School
m.04hwbkq, education.education.institution, Columbia University
m.02wnyqm, education.education.institution, Harvard Law School
m.0bmyzt8, education.education.institution, Columbia University
m.04hnj_g, education.education.institution, Columbia University
m.0sw39mz, education.education.institution, Columbia University
m.06wgnnj, education.education.institution, Harvard Law School
m.06zy4kt, education.education.institution, Columbia University
m.04lp857, education.education.institution, Harvard Law School
m.02wnqyp, education.education.institution, Harvard Law School
m.04yxd9j, education.education.institution, Harvard Law School
m.0bmyjrq, education.education.institution, Harvard Law School
m.02wncdz, education.education.institution, Columbia University
m.06wgnlb, education.education.institution, Harvard Law School
m.062yyqs, education.education.institution, Harvard Law School
m.01012yys, education.education.institution, Columbia University
m.02wnstz, education.education.institution, Columbia University
m.04lnwk2, education.education.institution, Harvard Law School
m.0sw25hm, education.education.institution, Columbia University
m.0dw0rkj, education.education.institution, Harvard Law School
m.0jzrk_b, education.education.institution, Columbia University
m.04hq0dj, education.education.institution, Harvard Law School
m.04hrymn, education.education.institution, Columbia University
m.09sd24y, education.education.institution, Columbia University
m.0dlqdvm, education.education.institution, Harvard Law School
m.06wgngy, education.education.institution, Harvard Law School
m.09vjn12, education.education.institution, Harvard Law School
m.04q16my, education.education.institution, Columbia University
m.0ztrfgy, education.education.institution, Columbia University
m.0gmjksz, education.education.institution, Columbia University
m.04mdln4, education.education.institution, Columbia University
m.0hnmwqj, education.education.institution, Columbia University
m.0k3fjky, education.education.institution, Columbia University
m.062yzf_, education.education.institution, Harvard Law School
m.0648ly2, education.education.institution, Harvard Law School
m.02wnhy5, education.education.institution, Harvard Law School
m.04hrmt5, education.education.institution, Columbia University
m.04hn4qr, education.education.institution, Columbia University
m.0gvw9ht, education.education.institution, Harvard Law School
m.02wnpmy, education.education.institution, Harvard Law School
Barack Obama, education.education.student, m.02nqgn2
m.0njn76q, education.education.institution, Harvard Law School
m.02nqgpk, education.education.institution, Occidental College
m.0gmhhpf, education.education.institution, Columbia University
m.07skg22, education.education.institution, Harvard Law School
m.04hkkrh, education.education.institution, Harvard Law School
m.07lthwp, education.education.institution, Harvard Law School
m.0_n2zwt, education.education.institution, Columbia University
m.0jzrkd_, education.education.institution, Columbia University
m.02wnshy, education.education.institution, Columbia University
m.04hry17, education.education.institution, Columbia University
m.062yzfg, education.education.institution, Harvard Law School
m.06wgnkd, education.education.institution, Columbia University
University of California, Berkeley, common.topic.notable_types, College/University
m.0gmhh23, education.education.institution, Columbia University
m.06wgnzb, education.education.institution, Harvard Law School
m.0jzrmsq, education.education.institution, Columbia University
m.0646jkh, education.education.institution, Columbia University
m.0sw1ywh, education.education.institution, Harvard Law School
m.04ht7lt, education.education.institution, Harvard Law School
m.06wgfgy, education.education.institution, Columbia University
m.02wnylh, education.education.institution, Columbia University
m.06wgnsz, education.education.institution, Harvard Law School
m.0101mwvz, education.education.institution, Columbia University
m.04hkjqg, education.education.institution, Harvard Law School
m.02wmvzq, education.education.institution, Harvard Law School
m.02wnkhk, education.education.institution, Harvard Law School
m.06wgnr7, education.education.institution, Harvard Law School
m.06wghmb, education.education.institution, Harvard Law School
m.0wlh9zj, education.education.institution, Columbia University
m.04yxfq_, education.education.institution, Harvard Law School
Barack Obama, music.composer.compositions, Yes We Can
m.02wnhd9, education.education.institution, Columbia University
m.0hn_hty, education.education.institution, Columbia University
m.04q1bzm, education.education.institution, Columbia University
m.02wnmrg, education.education.institution, Columbia University
m.063vhtb, education.education.institution, Columbia University
m.06wgnwt, education.education.institution, Harvard Law School
m.02wmqmz, education.education.institution, Harvard Law School
m.0hnjd21, education.education.institution, Columbia University
m.0gmhhpl, education.education.institution, Columbia University
m.040sdd5, education.education.institution, Columbia University
m.0bmyjrj, education.education.institution, Harvard Law School
m.04ysvcq, education.education.institution, Harvard Law School
m.062yyw_, education.education.institution, Harvard Law School
m.0svywqh, education.education.institution, Harvard Law School
m.07ltmvz, education.education.institution, Columbia University
m.04htm02, education.education.institution, Columbia University
m.0svzrlh, education.education.institution, Columbia University
m.04yt1dz, education.education.institution, Columbia University
m.07lt4yl, education.education.institution, Harvard Law School
m.02wmyht, education.education.institution, Columbia University
m.02wnhn5, education.education.institution, Columbia University
m.0n1jvjk, education.education.institution, Columbia University
m.0zcyd3q, education.education.institution, Columbia University
m.04ystr2, education.education.institution, Columbia University
m.0wkhm33, education.education.institution, Harvard Law School
m.0_lzkyj, education.education.institution, Columbia University
m.02wn9lz, education.education.institution, Columbia University
m.0wltrl_, education.education.institution, Columbia University
m.06wggmh, education.education.institution, Harvard Law School
m.04mf3yj, education.education.institution, Harvard Law School
m.06wgh66, education.education.institution, Columbia University
m.05yylgr, education.education.institution, Harvard Law School
m.06wgnfm, education.education.institution, Harvard Law School
m.0w57d_l, education.education.institution, Harvard Law School
m.0n15zmh, education.education.institution, Columbia University
m.02wnld4, education.education.institution, Harvard Law School
Barack Obama, education.education.student, m.02nqgpk
m.0clrzy4, education.education.institution, Columbia University
m.05yypnn, education.education.institution, Harvard Law School
m.07lhdcm, education.education.institution, Columbia University
m.06wgnyn, education.education.institution, Harvard Law School
m.06wgnzn, education.education.institution, Harvard Law School
m.0n1jvkh, education.education.institution, Columbia University
m.02wnrr8, education.education.institution, Harvard Law School
m.062yzkd, education.education.institution, Harvard Law School
m.04hldyr, education.education.institution, Columbia University
m.062yzv9, education.education.institution, Harvard Law School
Yes we can!, people.person.quotations, Barack Obama
m.09vmsh7, education.education.institution, Columbia University
m.06wgnt_, education.education.institution, Harvard Law School
m.05y_byh, education.education.institution, Columbia University
m.07ltlb2, education.education.institution, Harvard Law School
m.0n0rgqh, education.education.institution, Columbia University
m.062yzl7, education.education.institution, Harvard Law School
m.07sklh0, education.education.institution, Columbia University
m.06wgnqm, education.education.institution, Harvard Law School
m.02wnmhd, education.education.institution, Columbia University
m.06wgnn1, education.education.institution, Harvard Law School
m.0svxxhn, education.education.institution, Columbia University
m.0jzrld8, education.education.institution, Columbia University
m.0gz2lyy, education.education.institution, Harvard Law School
m.04ysv28, education.education.institution, Columbia University
m.09vjjkz, education.education.institution, Columbia University
m.0n1mdb7, education.education.institution, Columbia University
m.07y4grx, education.education.institution, Columbia University
m.04yt4lp, education.education.institution, Harvard Law School
m.06wgjn4, education.education.institution, Columbia University
m.02_b88q, education.education.institution, Harvard Law School
m.0ggggzd, education.education.institution, Columbia University
m.02wnhlw, education.education.institution, Harvard Law School
m.09vjbw7, education.education.institution, Harvard Law School
m.09vjn47, education.education.institution, Columbia University
m.062yxky, education.education.institution, Columbia University
m.062yyzt, education.education.institution, Harvard Law School
m.04lp3y_, education.education.institution, Harvard Law School
m.06wgkzz, education.education.institution, Harvard Law School
m.0zggzt1, education.education.institution, Columbia University
m.02wnrg8, education.education.institution, Columbia University
m.0h9gr7b, education.education.institution, Harvard Law School
m.04m44kr, education.education.institution, Columbia University
m.04hqch7, education.education.institution, Columbia University
m.06zy473, education.education.institution, Columbia University
m.0n1krgq, education.education.institution, Harvard Law School
m.06wggdr, education.education.institution, Columbia University
University of Oxford, freebase.valuenotation.has_no_value, Image
m.09vjmmt, education.education.institution, Columbia University
m.0ybkkhm, education.education.institution, Columbia University
m.064zwqy, education.education.institution, Harvard Law School
Yes we can!, media_common.quotation.author, Barack Obama
m.06wgnrs, education.education.institution, Harvard Law School
m.0gmhh8m, education.education.institution, Columbia University
m.062yzvg, education.education.institution, Harvard Law School
m.0gmhhcz, education.education.institution, Columbia University
m.02wnhdd, education.education.institution, Columbia University
m.02wn39z, education.education.institution, Columbia University
m.06wgnzh, education.education.institution, Harvard Law School
m.04lp7y8, education.education.institution, Columbia University
m.02wnkrb, education.education.institution, Harvard Law School
m.0cpkslt, education.education.institution, Columbia University
m.05yylyx, education.education.institution, Harvard Law School
m.06wgnqy, education.education.institution, Harvard Law School
m.04mbkkd, education.education.institution, Columbia University
m.02wmz1q, education.education.institution, Harvard Law School
m.062yylj, education.education.institution, Harvard Law School
m.0whtzl8, education.education.institution, Harvard Law School
m.04yt8dd, education.education.institution, Harvard Law School
m.0hgtdjn, education.education.institution, Columbia University
m.04ysyhq, education.education.institution, Harvard Law School
m.0svy0s8, education.education.institution, Columbia University
m.0zffs24, education.education.institution, Columbia University
m.06wgly3, education.education.institution, Harvard Law School
m.04kfsgr, education.education.institution, Columbia University
m.062yzl1, education.education.institution, Harvard Law School
m.0gmhhgw, education.education.institution, Columbia University
m.062yyhb, education.education.institution, Harvard Law School
m.02wnvhh, education.education.institution, Harvard Law School
m.0n1hngv, education.education.institution, Columbia University
m.0n1klpq, education.education.institution, Columbia University
m.03p8gzq, education.education.institution, Harvard Law School
m.07lhw8h, education.education.institution, Harvard Law School
m.05yzdms, education.education.institution, Columbia University
m.06wgnst, education.education.institution, Harvard Law School
m.02wmznn, education.education.institution, Columbia University
m.0ggggyg, education.education.institution, Columbia University
m.07llwkq, education.education.institution, Harvard Law School
m.09vjkz_, education.education.institution, Columbia University
m.02wnkym, education.education.institution, Columbia University
m.0n1kgnq, education.education.institution, Harvard Law School
m.02wndrk, education.education.institution, Harvard Law School
m.06wgnyb, education.education.institution, Harvard Law School
m.02nqgn2, education.education.institution, Harvard Law School
Barack Obama, people.person.education, m.02nqgmw
m.062yzr2, education.education.institution, Harvard Law School
m.0svsndt, education.education.institution, Columbia University
m.0n1lfvm, education.education.institution, Harvard Law School
m.07skbf7, education.education.institution, Harvard Law School
m.09vjh_r, education.education.institution, Harvard Law School
Yes We Can: A Biography of President Barack Obama, book.written_work.subjects, United States of America
m.0gggh66, education.education.institution, Columbia University
University, common.topic.article, m.07tfl
m.0667vky, education.education.institution, Columbia University
m.0wkwvxh, education.education.institution, Harvard Law School
m.02wnyh3, education.education.institution, Columbia University
m.0g5bryb, education.education.institution, Columbia University
m.07ylhcq, education.education.institution, Columbia University
m.02wndry, education.education.institution, Harvard Law School
m.0sw2mw7, education.education.institution, Harvard Law School
m.02wn3gr, education.education.institution, Columbia University
m.04yt3ht, education.education.institution, Columbia University
m.0k3fhmq, education.education.institution, Columbia University
m.04z88yh, education.education.institution, Harvard Law School
m.062yzs9, education.education.institution, Harvard Law School
m.0n0sksz, education.education.institution, Columbia University
m.06wgmmg, education.education.institution, Harvard Law School
m.02wn5my, education.education.institution, Columbia University
m.03jny38, education.education.institution, Columbia University
University of Oxford, common.topic.notable_types, College/University
m.04m11rz, education.education.institution, Columbia University
m.0svyd4q, education.education.institution, Columbia University
m.0sw3tty, education.education.institution, Harvard Law School
m.06wgnp2, education.education.institution, Harvard Law School
m.04hllds, education.education.institution, Columbia University
m.0dhys7y, education.education.institution, Columbia University
m.012nz6vh, education.education.institution, Columbia University
m.062yzbd, education.education.institution, Harvard Law School
m.062yst4, education.education.institution, Harvard Law School
m.06zy3yn, education.education.institution, Columbia University
m.09tdjgr, education.education.institution, Harvard Law School
m.0dw0sv_, education.education.institution, Harvard Law School
m.0bmyjyq, education.education.institution, Columbia University
m.02wms28, education.education.institution, Harvard Law School
m.0svxktq, education.education.institution, Columbia University
m.02wnzz8, education.education.institution, Columbia University
m.07sk8st, education.education.institution, Columbia University
m.06wglpy, education.education.institution, Harvard Law School
m.06wghdv, education.education.institution, Columbia University
m.062yzqq, education.education.institution, Harvard Law School
m.0gmhspy, education.education.institution, Columbia University
m.04hghns, education.education.institution, Columbia University
m.04ys_p_, education.education.institution, Columbia University
m.0gl15nn, education.education.institution, Columbia University
m.02wnr28, education.education.institution, Harvard Law School
m.0sw01bb, education.education.institution, Harvard Law School
m.09vjktd, education.education.institution, Columbia University
m.02wnjkj, education.education.institution, Columbia University
m.0n1my_3, education.education.institution, Harvard Law School
m.04yt014, education.education.institution, Harvard Law School
m.0n1ky3h, education.education.institution, Columbia University
m.02wmssh, education.education.institution, Harvard Law School
m.02wny9z, education.education.institution, Columbia University
m.04fmll_, education.education.institution, Columbia University
m.04zk8pf, education.education.institution, Harvard Law School
m.07lt44_, education.education.institution, Harvard Law School
Barack Obama, book.book_subject.works, Yes We Can: A Biography of President Barack Obama
m.02wmqhr, education.education.institution, Columbia University
m.0wlqbry, education.education.institution, Columbia University
m.06wgkrc, education.education.institution, Harvard Law School
m.02wns49, education.education.institution, Columbia University
m.09vjkbn, education.education.institution, Harvard Law School
m.0wlr2d9, education.education.institution, Harvard Law School
m.04hznns, education.education.institution, Harvard Law School
m.02nqgmw, education.education.institution, Columbia University
m.02wnnnm, education.education.institution, Columbia University
m.06zy46h, education.education.institution, Harvard Law School
m.06wjr7d, education.education.institution, Harvard Law School
m.02wn8pt, education.education.institution, Columbia University
m.0znmjkd, education.education.institution, Columbia University
m.07y4hvy, education.education.institution, Columbia University
m.02wn28z, education.education.institution, Columbia University
m.0666hnb, education.education.institution, Columbia University
m.0zdgchn, education.education.institution, Columbia University
m.0svzhy2, education.education.institution, Columbia University
m.02wncz3, education.education.institution, Columbia University
m.09vjlqk, education.education.institution, Harvard Law School
m.0sw39lz, education.education.institution, Columbia University
m.04ysyx7, education.education.institution, Harvard Law School
m.02wmylf, education.education.institution, Columbia University
m.0w54qjb, education.education.institution, Harvard Law School
m.09vjksb, education.education.institution, Columbia University
m.04hjyfq, education.education.institution, Harvard Law School
m.02wnyt7, education.education.institution, Columbia University
m.0sw2rkz, education.education.institution, Columbia University
m.02wns54, education.education.institution, Columbia University
m.06wgkld, education.education.institution, Harvard Law School
m.06zzrmk, education.education.institution, Columbia University
m.062yzgv, education.education.institution, Harvard Law School
m.06wglt7, education.education.institution, Columbia University
m.04lnlzb, education.education.institution, Columbia University
m.0dw0kyq, education.education.institution, Columbia University
m.04m18rd, education.education.institution, Columbia University
m.02wnztd, education.education.institution, Columbia University
m.02wnzk_, education.education.institution, Columbia University
m.09hzn8d, education.education.institution, Columbia University
m.062yxyg, education.education.institution, Columbia University
m.0hn_jth, education.education.institution, Columbia University
m.04fntny, education.education.institution, Columbia University
m.07sk85d, education.education.institution, Columbia University
m.0w5gr_s, education.education.institution, Harvard Law School
m.02wn3ny, education.education.institution, Harvard Law School
m.07y4fmh, education.education.institution, Columbia University
m.06wgmbb, education.education.institution, Columbia University
m.02wmzb_, education.education.institution, Harvard Law School
m.09j57zh, education.education.institution, Columbia University
m.04hz_t2, education.education.institution, Harvard Law School
m.04ysy0h, education.education.institution, Columbia University
University, common.topic.image, Oxfordceremony
University of Oxford, education.educational_institution.school_type, University
m.0770kjk, education.education.institution, Columbia University
m.0gl19ky, education.education.institution, Columbia University
Barack Obama, people.person.quotations, Yes we can!
m.0hnjbx8, education.education.institution, Columbia University
m.04hkdn5, education.education.institution, Harvard Law School
m.04hy2lz, education.education.institution, Harvard Law School
m.0sw3pfd, education.education.institution, Columbia University
m.0svymd_, education.education.institution, Columbia University
m.06zych5, education.education.institution, Columbia University
m.07lth_f, education.education.institution, Harvard Law School
m.0jzrk9h, education.education.institution, Columbia University
University of California, Berkeley, freebase.valuenotation.is_reviewed, Date founded
m.07skc26, education.education.institution, Harvard Law School
m.0svyd49, education.education.institution, Columbia University
m.02wnhz9, education.education.institution, Columbia University
m.0n9ysht, education.education.institution, Columbia University
m.06wgnyt, education.education.institution, Harvard Law School
m.0n0ylh8, education.education.institution, Columbia University
m.0n1mtl2, education.education.institution, Harvard Law School
m.0wlys53, education.education.institution, Harvard Law School
m.06wgny0, education.education.institution, Harvard Law School
m.04yxrws, education.education.institution, Columbia University
m.0wl8q_7, education.education.institution, Harvard Law School
m.0svy7y_, education.education.institution, Columbia University
m.02wmyz1, education.education.institution, Columbia University
m.0jzrk8m, education.education.institution, Columbia University
m.04ywhnr, education.education.institution, Harvard Law School
m.07hvpjy, education.education.institution, Harvard Law School
m.0zrk2hr, education.education.institution, Columbia University
m.0dw0rbk, education.education.institution, Harvard Law School
m.07ls_j2, education.education.institution, Columbia University
m.05yzdsz, education.education.institution, Columbia University
m.0hzhjkd, education.education.institution, Columbia University
m.0svzh0j, education.education.institution, Columbia University
m.0dfgzn8, education.education.institution, Harvard Law School
m.04md9lt, education.education.institution, Columbia University
m.062yyqb, education.education.institution, Harvard Law School
m.0svzld9, education.education.institution, Columbia University
m.06wgll1, education.education.institution, Harvard Law School
m.04hkqt8, education.education.institution, Columbia University
m.04lp8bz, education.education.institution, Columbia University
m.0n0yssz, education.education.institution, Columbia University
m.0whrjb4, education.education.institution, Harvard Law School
m.06wgmd3, education.education.institution, Columbia University
m.02wnhm1, education.education.institution, Harvard Law School
m.0ggghmd, education.education.institution, Columbia University
m.0hn_j04, education.education.institution, Columbia University
m.02wn20m, education.education.institution, Columbia University
m.09j53ny, education.education.institution, Columbia University
m.04ysz33, education.education.institution, Harvard Law School
m.03p72ky, education.education.institution, Columbia University
m.0gmhhdf, education.education.institution, Columbia University
m.0zcvkyq, education.education.institution, Columbia University
m.06wgnnr, education.education.institution, Harvard Law School
Yes We Can: A Biography of President Barack Obama, book.written_work.subjects, Barack Obama
m.0ggctbn, education.education.institution, Columbia University
m.07y4dzk, education.education.institution, Harvard Law School
m.09vmtgq, education.education.institution, Columbia University
m.09vjn2z, education.education.institution, Columbia University
m.02wmyh1, education.education.institution, Columbia University
m.0jzrjk8, education.education.institution, Columbia University
m.0bmyljq, education.education.institution, Columbia University
m.07skjzz, education.education.institution, Columbia University

Answer: Harvard Law School
Columbia University
Occidental College