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: He talked to her using a book shelf
He talked to her using a mobile phone
Example Output: first

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

Example Input: He put on his clothes for his bath.
He took off his clothes for his bath.
Example Output:
first