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: running is more restful than walking
walking is more restful than running
Example Output: first

Example Input: He went to prison for murder
He went to prison for charity
Example Output: second

Example Input: He rides his dog to school.
He rides his bike to school.
Example Output:
first