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: The man contemplated the painting, so he opened the door and opened it

A: not plausible
****
Q: The surfer caught the wave, so the wave carried her to the shore

A: plausible
****
Q: The archeologist dug up the site, so we had to go there

A:
plausible
****