TASK DEFINITION: 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".
PROBLEM: the trip took a long time because i didn't know what to do with it

SOLUTION: not plausible

PROBLEM: I hung up the phone because it was closed

SOLUTION: not plausible

PROBLEM: the benefactor requested to stay anonymous because the investigation was still under investigation

SOLUTION:
plausible