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 woman upgraded her computer hardware, so she could play with it

A: plausible
****
Q: The man contemplated the painting, so there was no doubt about it

A: not plausible
****
Q: The girl came across an unfamiliar word in her textbook, so she went back to the book

A:
not plausible
****