instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'the door of the refrigerator has many magnets and small pictures on it'. Replace the letter 's' with 'z' in the sentence.
answer:
the door of the refrigerator haz many magnetz and zmall picturez on it

question:
Sentence: 'a person snow skiing down a hill while the hold their ski poles'. Replace the letter 'r' with 'g' in the sentence.
answer:
a pegson snow skiing down a hill while the hold theig ski poles

question:
Sentence: 'a man standing next to several cases of luggage'. Replace the letter 'e' with 'b' in the sentence.
answer:
a man standing nbxt to sbvbral casbs of luggagb