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:
running is more restful than walking
walking is more restful than running

Ex Output:
first


Ex Input:
A man ate plastic box for his health development
A man ate banana for his health development

Ex Output:
first


Ex Input:
The food of cow is grass
The food of cow is stone

Ex Output:

second