instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a fancy clock is lit up on the street'. Replace the letter 'o' with 'f' in the sentence.
answer:
a fancy clfck is lit up fn the street

question:
Sentence: 'a kitchen scene with a lot of items on the counters'. Replace the letter 't' with 'm' in the sentence.
answer:
a kimchen scene wimh a lom of imems on mhe counmers

question:
Sentence: 'a tourist sits atop an elephant guided by the man'. Replace the letter 'n' with 'm' in the sentence.
answer:
a tourist sits atop am elephamt guided by the mam