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.

Q: The dog chased the cat.
The dog chased the bed.

A: second
****
Q: Soap helps to clean.
Soap does nothing.

A: second
****
Q: Some sons are older than their biological fathers.
All fathers are older than their biological sons.

A:
first
****