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".

The actress used to be named Terpsichore , but she changed it to Tina a few years ago, because she figured (it) was easier to pronounce. <sep> Pronoun:it <sep> Noun: Terpsichore
False

Sid explained his theory to Mark but (he) couldn't convince him. <sep> Pronoun:he <sep> Noun: Mark
False

The foxes are getting in at night and attacking the chickens . I shall have to guard (them) . <sep> Pronoun:them <sep> Noun: the chickens

True