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 girl was angry with her friend, so she tried to get back
not plausible

I finished a page of the book, so I thought I'd share it here
plausible

I tossed the ball upwards, so the ball could move forward

plausible