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:
The big tree is used to keep out the rain.
Umbrellas are used to keep out the rain.

Ex Output:
first


Ex Input:
The sailboat flew high into the sky.
The airplane flew high into the sky.

Ex Output:
first


Ex Input:
tigers like eating grass
tigers like eating meat

Ex Output:

first