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 man slid the razor across his chin, so he couldn't see what was going on
not plausible

The archeologist dug up the site, so it was easy to keep track of
not plausible

The group overlooked the woman's faux pas, so we had to call them

not plausible