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: It got dark outside, so we got up and went inside
Example Output: plausible

Example Input: The bureau drawers were cluttered, so I had to get rid of them
Example Output: plausible

Example Input: The bureau drawers were cluttered, so they could not be viewed
Example Output:
plausible