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".

[EX Q]: We found empty seats in the theatre, so we went to check it out
[EX A]: plausible

[EX Q]: The patient was dehydrated, so they had to drink more fluids
[EX A]: plausible

[EX Q]: The boy murmured his reply to his mother, so he knew it was serious
[EX A]:
not plausible