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".

Q: Several witnesses of the crime testified against the suspect, so the case was opened

A: plausible
****
Q: The papers were disorganized, so it was a good thing

A: not plausible
****
Q: The teacher took roll, so I didn't get to talk to her

A:
plausible
****