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 butterfly used to be an egg
a butterfly used to be a caterpillar

Ex Output:
first


Ex Input:
People are mammals.
Goldfish are mammals.

Ex Output:
second


Ex Input:
The man paid the bill with cash.
The man paid the bill with water.

Ex Output:

second