instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a person on a snowboard does an air trick'. Replace the letter 'n' with 'o' in the sentence.
answer:
a persoo oo a soowboard does ao air trick


question:
Sentence: 'a man with a backpack on a motorcycle'. Replace the letter 't' with 'd' in the sentence.
answer:
a man widh a backpack on a modorcycle


question:
Sentence: 'a red train on a train track below power lines'. Replace the letter 'r' with 'e' in the sentence.
answer:

a eed teain on a teain teack below powee lines