instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of kids with rackets on a court'. Replace the letter 'u' with 'd' in the sentence.
answer:
a codple of kids with rackets on a codrt

question:
Sentence: 'a group of people hanging around holding umbrellas'. Replace the letter 'p' with 'f' in the sentence.
answer:
a grouf of feofle hanging around holding umbrellas

question:
Sentence: 'a woman taking a bite out of a sandwich and a man'. Replace the letter 'n' with 'z' in the sentence.
answer:
a womaz takizg a bite out of a sazdwich azd a maz