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 patient was dehydrated, so the nurse gave him an iv
Example Output: plausible

Example Input: The patient was dehydrated, so she took him to the hospital
Example Output: plausible

Example Input: I was confused by the professor's lecture, so I didn't know what to expect
Example Output:
plausible