instruction:
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.
question:
my brother swimming  on water every day
my brother swimming on petrol every day
answer:
second


question:
After throwing a ball upwards, it will keep going up
After throwing a ball upwards, it will come down again
answer:
first


question:
a discotheque is for bathing
a discotheque is for dancing
answer:

first