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 child kicked the stack of blocks, so I knew I was on the right track
not plausible

The man threw his empty can onto the street, so he didn't have to walk
plausible

The man's eye became infected, so he went to the emergency room

plausible