QUESTION: When we are running what are we doing?
Options:
- stretches
- running from police
- learn to walk
- go quickly
- get out of bed
ANSWER: Let me think step-by-step: When we run, we go quickly. running is the opposite of moving slowly. So the answer must be go quickly.

QUESTION: Early humans would do what on the walls of caves?
Options:
- lay eggs
- draw pictures
- make tools
- compete with each other
- eat fruit
ANSWER: Let me think step-by-step: Early humans would draw pictures on the walls of caves. So the answer must be draw pictures.

QUESTION: What would someone be doing if he or she is killing?
Options:
- commit crime
- laughing
- smoke
- feel anger
- die
ANSWER: Let me think step-by-step: Commit crime is to do something illegal, to perform an action which is against the law. Someone would be committing a crime if he or she is killing. So the answer must be commit crime.

QUESTION: Why might others think a person is crazy?
Options:
- catch cold
- yell
- talk to themselves
- open doors
- study greek
ANSWER:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let me think step-by-step: People generally do not talk to themselves. Talking to oneself is considered a strange behaviour. People might think a person is crazy when he is talking to himself. So the answer must be talk to themselves.