In this task, you need to replace a letter in the sentence with another given letter.

Q: Sentence: 'a white plate topped with meat and greens'. Replace the letter 's' with 'b' in the sentence.

A: a white plate topped with meat and greenb
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Q: Sentence: 'a group of people hanging around holding umbrellas'. Replace the letter 'p' with 'f' in the sentence.

A: a grouf of feofle hanging around holding umbrellas
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Q: Sentence: 'a yellow, blue, and purple train passes on the tracks'. Replace the letter 'a' with 'n' in the sentence.

A:
n yellow, blue, nnd purple trnin pnsses on the trncks
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