instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a skater looks ahead as he rides down a ramp'. Replace the letter 'n' with 'm' in the sentence.
answer:
a skater looks ahead as he rides dowm a ramp


question:
Sentence: 'a study features the color green and old-fashioned furniture'. Replace the letter 'e' with 'd' in the sentence.
answer:
a study fdaturds thd color grddn and old-fashiondd furniturd


question:
Sentence: 'a giraffe with its eyes half closed near a tree branch'. Replace the letter 'a' with 'f' in the sentence.
answer:

f girfffe with its eyes hflf closed nefr f tree brfnch


