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: I rubbed sandpaper on the wood, so it shouldn't be a problem
Example Output: plausible

Example Input: The driver rotated the steering wheel, so it was ready to go
Example Output: plausible

Example Input: It got dark outside, so I didn't get a good look at it
Example Output:
plausible