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".
--------
Question: I ironed my shirt because i didn't know what to do with it

Answer: plausible


Question: the boy climbed the tree because it was the only thing he could find

Answer: plausible


Question: I wrote a thank-you note to my grandmother because i didn't know how to do it

Answer:
not plausible