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.

He put some petrol to put out the fire
He put some water to put out the fire
first

He put the letter in the mailbox
He put the child in the mailbox
second

Ancient Chinese like drinking milky tea.
Ancient Chinese like drinking tea.
first