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: Many people live in Canada.
Many people live on Mars.

Output: second


Input: Consider Input: Doors are to protect us from intruders
Doors are to travel from one place to another place

Output: second


Input: Consider Input: Gold is a man-made material.
Steel is a man-made material.


Output: first