instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man and a child skiing down a mountain on a trail'. Replace the letter 'n' with 'm' in the sentence.
answer:
a mam amd a child skiimg dowm a moumtaim om a trail


question:
Sentence: 'a baseball player running to third base from second'. Replace the letter 'a' with 'u' in the sentence.
answer:
u busebull pluyer running to third buse from second


question:
Sentence: 'looking though an open door at a person standing in an empty, brightly lit room'. Replace the letter 'n' with 'h' in the sentence.
answer:

lookihg though ah opeh door at a persoh stahdihg ih ah empty, brightly lit room