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 contemplated the painting, so he opened it up again
not plausible

Several witnesses of the crime testified against the suspect, so there was no one to investigate the case
not plausible

I pushed the gas pedal, so I got rid of it

not plausible