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".

I scratched my skin, so I had to try something new
not plausible

I finished a page of the book, so I'll get back to it later
plausible

The host served dinner to his guests, so he didn't have to cook

not plausible