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".

[EX Q]: The girl was angry with her friend, so she decided to go home
[EX A]: plausible

[EX Q]: I was confused by the professor's lecture, so I looked it up on the internet
[EX A]: plausible

[EX Q]: The police officer dropped the gun, so he didn't get a chance to investigate
[EX A]:
not plausible