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 Q]: A keystone helps support an arch
A branch helps support an arch
[EX A]: second

[EX Q]: most people must sell their labor to get food.
most people must sell their labor to get air.
[EX A]: second

[EX Q]: The duty of the policer is to protect people from harm
The duty of sanitation workers is to protect people from harm
[EX A]:
second