In this task, you will be given two sentences separated by ", so". You should decide whether the first sentence can be the cause of the second sentence. If you can see a possible causation, answer with "plausible", otherwise answer with "not plausible".

Example Input: The baby was wailing in his crib, so he must have been doing something right
Example Output: not plausible

Example Input: The papers were disorganized, so we had to go with them
Example Output: not plausible

Example Input: I clumsily bumped into the stranger, so I opened it up again
Example Output:
not plausible