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: Fishing roads are used to catch bears
Fishing roads are used to catch fish
Example Output: first

Example Input: people often say that a dog is man's best friend
people often say that a dog is man's best ball
Example Output: second

Example Input: It is colder at the top of a mountain than at the base of the mountain
It is hotter at the top of a mountain than at the base of the mountain
Example Output:
second