In this task, you will be given two sentences separated by "because". You should decide whether the first sentence can be the result of the second sentence. If you can see a possible cause and effect relationship, answer with "plausible", otherwise answer with "not plausible".

the customer filed a complaint with the store manager because she was so angry
plausible

the service at the restaurant was slow because the food was out of stock
plausible

the boy's mouth stung because he couldn't remember his own name

not plausible