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.

I run a marathon yesterday
I run a chicken yesterday
second

Alex is admitted by MIT, which makes his mother very depressed
Alex is admitted by MIT, which makes his mother very proud
first

he worked in Africa for 13 months last year
he worked in Africa for 6 months last year

first