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 a nurse and work in an emergency room at a busy hospital.
I paddle board on my days off.
I'm buying a house.
I play the piano.
Chat history: -What are you doing today?
-I just finished working in the hospital.
-Oh are you a nurse or a doctor?
-Nurse, in the emergency section busy.
-Oh I bet that is a tough job sometimes.
Candidates 1) It is but I like it. 2) I'm so sorry to hear that, was it sudden? 3) I'm positive I can learn it. 4) I like to walk but that is about it. I'm a busy mother.
It is but I like it.