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.

Q: He talked to her using a book shelf
He talked to her using a mobile phone

A: first
****
Q: The origin of Christmas in US
The origin of Christmas in China

A: second
****
Q: He eats a hot dog for dinner.
He eats a toaster for dinner.

A:
second
****