Given the task definition and input, reply with output. In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.

But the lie ? At the end , he says that Roy and Silo break up , and that Silo falls in love with a girl penguin . " Yup , he's an ex - gay penguin . "
What may have caused Roy and Silo to break up ?