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".

Let me give you an example: The woman went to the bank because pigs can fly.
The answer to this example can be: not plausible
Here is why: Clearly, there can't be a causation relationship between someone going to the bank and pigs flying.

OK. solve this:
the dust came off the desk because it wasn't working
Answer:
not plausible