instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man that is jumping a skateboard over something'. Replace the letter 'g' with 'j' in the sentence.
answer:
a man that is jumpinj a skateboard over somethinj


question:
Sentence: 'a couple of white street signs sitting on top of a pole'. Replace the letter 'n' with 't' in the sentence.
answer:
a couple of white street sigts sittitg ot top of a pole


question:
Sentence: 'a boy is sitting on a skateboard in a parking lot'. Replace the letter 'n' with 'q' in the sentence.
answer:

a boy is sittiqg oq a skateboard iq a parkiqg lot