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.

Walking burns more calories than running.
Walking burns fewer calories than running.
first

The astronaut is lucky enough to survive in the explosion
The astronaut is unlucky to survive in the explosion
second

The telephone is the most important thing in human society
The telephone is a important thing in human society

first