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 police officer dropped the gun, so he was able to get in
Example Output: not plausible

Example Input: The host served dinner to his guests, so we were able to get a table
Example Output: plausible

Example Input: I was confused by the professor's lecture, so I thought I'd ask here
Example Output:
plausible