You will be given three sentences. Read them, then identify a noun phrase (person, place, or thing) or event that is shared between all three sentences. As the output, write the span of the text corresponding to that phrase in each sentence. Keep the order of the sentences, that is, your answer should look like: 1: *a phras from sentence 1e* 2: *a phras from sentence 2* 3: *a phrase from sentence 3*
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Question: 1: Lausanne , Switzerland ( CNN ) Nuclear talks intensified Sunday between world powers and Iran , but key sticking points remained unresolved as the countries tried to reach a deal to curb Tehran 's nuclear program ahead of a Tuesday deadline . 2: The speed of which U.N . sanctions could be lifted remains in dispute . 3: Another sticking point : When would U.N. sanctions be lifted ?

Answer: 1: sticking points 2: dispute 3: sticking point


Question: 1: See if you can figure out Cheryl 's birthday , the Singapore logic problem that 's got the Internet twisted into knots . 2: The puzzling problem went viral after Singapore television host Kenneth Kong posted it to Facebook . 3: A logic question about  Cheryl 's birthday  goes viral .

Answer: 1: Cheryl 's birthday , the Singapore logic problem that 's got the Internet twisted into knots 2: The puzzling problem 3: A logic question about `` Cheryl 's birthday


Question: 1: Students expelled over racist chant . 2:  So the whole house has to be punished .  3: He 's disgusted by the racist chant tied to the frat ;  the whole house needs to be punished 

Answer:
1: Students 2: the whole house 3: the whole house