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 surfer caught the wave, so we were able to get to the start

A: not plausible
****
Q: The baby was wailing in his crib, so he got up and opened it

A:
not plausible
****