instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man in a baseball cap watching something in the air'. Replace the letter 'g' with 'o' in the sentence.
answer:
a man in a baseball cap watchino somethino in the air

question:
Sentence: 'a piece of chocolate cake is on a plate with a fork'. Replace the letter 'e' with 's' in the sentence.
answer:
a piscs of chocolats caks is on a plats with a fork

question:
Sentence: 'a kitchen with shelves and gray marble countertops'. Replace the letter 's' with 'c' in the sentence.
answer:
a kitchen with chelvec and gray marble countertopc