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".
--------
Question: The girl was angry with her friend, so she tried to get back

Answer: not plausible


Question: The teacher took roll, so she could get a better understanding of what was going on in the classroom

Answer: plausible


Question: The doctor x-rayed the patient's arm, so I don't know what's going on

Answer:
not plausible