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".

The police aimed their weapons at the fugitive, so they had no choice but to leave
not plausible

The man looked at his watch, so he walked over to see
not plausible

The patient was dehydrated, so there was no need to drink

not plausible