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 patient was dehydrated, so they had to drink more fluids

A: plausible
****
Q: The girl was angry with her friend, so she decided to do something about it

A: plausible
****
Q: The grape juice fermented, so I did not use it

A:
plausible
****