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.

[Q]: I saw a school of fish when I went snorkeling.
I saw a school of fish when I was on the airplane.
[A]: second


[Q]: Serial killers are safe.
Serial killers are dangerous.
[A]: first


[Q]: Cars cause nothing to the environment.
Cars are polluting the planet.
[A]:
first