In each example you will read a short sentence (or two). Then, a pronoun in the text is mentioned. Your task is to choose a referent which the mentioned pronoun refers to. You will be given two options in each case and one choice should seem much more likely to you than the other.

Input: Consider Input: sentence: the biologists are studying three species of aquatic vertebrates that have recently been found living in the indian ocean . they appeared two years ago .pronoun: they. A) the biologists B) the aquatic vertebrate

Output: the aquatic vertebrate


Input: Consider Input: sentence: Tom and Bill gave Ralph and Josh a lift to school so they wouldn't have to drive alone .pronoun: they. A) tom and bill B) ralph and josh

Output: tom and bill


Input: Consider Input: sentence: sam broke both his gliding joints and he's walking with aids . but a month or so from now they should be better .pronoun: they. A) the gliding joints B) the aids


Output: the gliding joints