instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a open entrance leading to a set of closed doors'. Replace the letter 'd' with 'f' in the sentence.
answer:
a open entrance leafing to a set of closef foors

question:
Sentence: 'a hand holding part of a sponge with scissors nearby'. Replace the letter 'o' with 'e' in the sentence.
answer:
a hand helding part ef a spenge with scissers nearby

question:
Sentence: 'a large crowd of people sitting in a stadium watching a baseball game'. Replace the letter 'n' with 'r' in the sentence.
answer:
a large crowd of people sittirg ir a stadium watchirg a baseball game