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: Walking burns more calories than running.
Walking burns fewer calories than running.
Example Output: first

Example Input: The origin of Christmas in US
The origin of Christmas in China
Example Output: second

Example Input: The national bird of Colombia is the bold eagle
The national bird of Colombia is the condor
Example Output:
first