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 doctor x-rayed the patient's arm, so in order to get a better idea of what was going on
plausible

The woman won the lottery, so of course she had to do it
plausible

The baby pulled the mother's hair, so the mother grimaced

plausible