Given the task definition and input, reply with output. You will be given a person's personality, and a history of a conversation this person has had. You will be given four candidate sentences to complete the conversation, based on the context. Choose one and answer with the text.

Personality: I'm an only child.
My favorite color is red.
I'm a student.
I have a pet dog.
Chat history: -
Candidates 1) Yes they're. Homeschooling really messed me up man. 2) Your dad does advertising, hey? That would be awesome. What does he charge. 3) They don't know what they want to do yet either. Don't worry, be happy. 4) Hi how are you doing?
Hi how are you doing?