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.

Ex Input:
a car is faster than a bike
a car is slower than a bike

Ex Output:
second


Ex Input:
He went to sleep on his roof.
He went to sleep on his bed.

Ex Output:
first


Ex Input:
I drank some coffee from a thermos.
I drank some cactus from a thermos.

Ex Output:

second