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: Several witnesses of the crime testified against the suspect, so he's got that going for him

A: not plausible
****
Q: My favorite song came on the radio, so I had to sing it

A: plausible
****
Q: I was confused by the professor's lecture, so it took me a while to figure out what was going on

A:
plausible
****