instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a person lays on the inside of a suitcase'. Replace the letter 'i' with 'l' in the sentence.
answer:
a person lays on the lnslde of a sultcase


question:
Sentence: 'a yellow street sign sitting on the side of a road'. Replace the letter 'a' with 'd' in the sentence.
answer:
d yellow street sign sitting on the side of d rodd


question:
Sentence: 'the man watches the little boy on the surf board'. Replace the letter 'r' with 'x' in the sentence.
answer:

the man watches the little boy on the suxf boaxd