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:
He went to the airport to board a plane.
He went to the airport to board a ship.

Ex Output:
second


Ex Input:
He put the letter in the mailbox
He put the child in the mailbox

Ex Output:
second


Ex Input:
A bird can fly.
A cow can fly.

Ex Output:

second