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

Q: Sentence: 'a crowd stands under a set of lights in the ceiling and one person holds up a cell phone'. Replace the letter 'r' with 'f' in the sentence.

A: a cfowd stands undef a set of lights in the ceiling and one pefson holds up a cell phone
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Q: Sentence: 'a baby pokes his head out of a suitcase'. Replace the letter 'u' with 's' in the sentence.

A: a baby pokes his head ost of a ssitcase
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Q: Sentence: 'a group of people playing and splashing in a body of water with a small child being held by a woman'. Replace the letter 'p' with 'k' in the sentence.

A:
a grouk of keokle klaying and sklashing in a body of water with a small child being held by a woman
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