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 boaters set off a flare, so we didn't have to wait long
Example Output: plausible

Example Input: The woman's ring slipped off in the shower, so I knew she was coming
Example Output: not plausible

Example Input: The navy bombed the ship, so to prevent it from falling into enemy hands
Example Output:
plausible