instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man who is surfing in a wave in the ocean'. Replace the letter 'a' with 'u' in the sentence.
answer:
u mun who is surfing in u wuve in the oceun


question:
Sentence: 'the kitchen counter has a pitcher of lime juice'. Replace the letter 'h' with 'p' in the sentence.
answer:
tpe kitcpen counter pas a pitcper of lime juice


question:
Sentence: 'a person on a skateboard does a trick on a rail'. Replace the letter 'r' with 'v' in the sentence.
answer:

a pevson on a skateboavd does a tvick on a vail