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: This morning , Joey and Bill built sand castles on the beach , and put toy flags in the highest towers , but this afternoon the tide knocked them down .pronoun: them. A) the sand castles B) the flags

the sand castles