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:
Artificial Intelligence will save the world.
An asteroid impact will save humankind..

Ex Output:
second


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

Ex Output:
first


Ex Input:
because it's very hot, I'd like to swim in the river
because it's very hot, I'd like to swim in the lava

Ex Output:

second