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.

Input: Consider Input: human has a tail
dog has a tail

Output: first


Input: Consider Input: today's hard work can change the history
today's hard work can change the future

Output: first


Input: Consider Input: I need to eat some food to get energy.
I need to eat some plastic to get energy.


Output: second