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 single and live alone.
I don't have a good social life.
I eat mainly chinese food.
I'm a night owl.
I make robots for a living.
Chat history: -Hi, what s up. How are you doing today?
-Hey I am good just eating some chinese food, you?
-I am studying for exams.
Candidates 1) I wish I could hike! This cast on my legs gets in the way, ll! 2) So how are you friend. 3) What do you study? I am usually up late studying as well, bit of a night owl. 4) I prefer ebooks too! Have you found love on campus?
What do you study? I am usually up late studying as well, bit of a night owl.