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.

Example Input: I am afraid of floating while swimming
I am afraid of drowning while swimming
Example Output: first

Example Input: River is flowing still while there is no water.
River is flowing down the narrow path.
Example Output: first

Example Input: science is difficult
science is easy
Example Output:
second