In this task, you are given two sentences in the English language (Sentence 1 and Sentence 2). Your task is to identify the connecting word between the two sentences.

[Q]: Sentence 1:She told both of her ex-boyfriends , devoted Todd and sexy Devon , that she needed time to stand on her own . Sentence 2:But now she 's totally alone , without a prom date !
[A]: but

[Q]: Sentence 1:For example , some countries require a parent 's permission to marry even for adults , or forbid marrying someone of the same sex or outside of one 's religion or ethnic group . Sentence 2:Additionally , some couples prefer to have their wedding in the United States .
[A]: additionally

[Q]: Sentence 1:Studies have found that collaboration can increase achievement and productivity . Sentence 2:However , a four - year study of interorganizational collaboration found that successful collaboration can be rapidly derailed through external policy steering , particularly where it undermines relations built on trust .
[A]:
however