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 papers were disorganized, so there was nothing I could do
plausible

Several witnesses of the crime testified against the suspect, so it's unclear what was going on
not plausible

My foot went numb, so I could not walk

plausible