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: 'a batter is batting at a baseball game'. Replace the letter 'b' with 'e' in the sentence.
answer:
a eatter is eatting at a easeeall game


question:
Sentence: 'a store with lots of tables filled with produce'. Replace the letter 'd' with 'p' in the sentence.
answer:

a store with lots of tables fillep with propuce