Definition: 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: sentence: Paul and Bill tried to call George and John on the phone , but they weren't successful .pronoun: they. A) paul and bill B) george and john

paul and bill