In this task, you are given two natural language statements with similar wording. You must choose the statement that makes less sense based on common sense knowledge. A '
' separates the statements. Use "first" or "second" to indicate which sentence makes less sense.

most people must sell their labor to get food.
most people must sell their labor to get air.
second

Ben wants to teach piano because he has been playing the piano since he was five years old
Ben wants to teach piano because he has been playing the violin since he was five years old
second

He ate a sandwich for lunch.
He ate a rock for lunch.

second