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.

Example Input: Serial killers are safe.
Serial killers are dangerous.
Example Output: first

Example Input: I've never seen a snake with legs before.
I've never seen a chicken with legs before.
Example Output: second

Example Input: He inflated his breast with a inflator
He inflated his bicycle tyre with a inflator
Example Output:
first