Teacher: You are given a context, a pronoun, and a noun in this task. The given pronoun is shown in the context within parentheses. You should determine if the pronoun refers to the given noun or not. Please answer with "True" and "False".
Teacher: Now, understand the problem? If you are still confused, see the following example:
Sam pulled up a chair to the piano , but (it) was broken, so he had to sing instead. <sep> Pronoun:it <sep> Noun: the piano
Solution: True
Reason: This is a good example. In this context, he had to sing after recognizing it was broken. So, it refers to the piano.

Now, solve this instance: Sid explained his theory to Mark but (he) couldn't convince him. <sep> Pronoun:he <sep> Noun: Sid
Student:
True