instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a lonley giraffe is making a trek in the wild'. Replace the letter 'r' with 'h' in the sentence.
answer:
a lonley gihaffe is making a thek in the wild

question:
Sentence: 'a person snow skiing down a hill while the hold their ski poles'. Replace the letter 'r' with 'g' in the sentence.
answer:
a pegson snow skiing down a hill while the hold theig ski poles

question:
Sentence: 'five slices of a mushroom pizza on a white plate on a checked tablecloth'. Replace the letter 'i' with 'n' in the sentence.
answer:
fnve slnces of a mushroom pnzza on a whnte plate on a checked tablecloth