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.

Example Input: people often say that a dog is man's best friend
people often say that a dog is man's best ball
Example Output: second

Example Input: human has a tail
dog has a tail
Example Output: first

Example Input: A camera can prevent cell phones from smashing the screen
A cover can prevent cell phones from smashing the screen
Example Output:
first