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: human has a tail
dog has a tail
Example Output: first

Example Input: Surgery develops as time passes
Surgery falls back as time passes
Example Output: second

Example Input: The effect of going to the store is gaining money
The effect of going to the store is spending money
Example Output:
first