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.

Light is an indispensable factor for photosynthesis to be performed.
Happiness is an indispensable factor for photosynthesis to be performed.
second

Someone forgot the liver on the train
Someone forgot the umbrella on the train
first

a dog wags its tail when they are excited
a dog wags its tail to call its mom.

second