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

Q: Sentence: 'there is a stepladder situated over a toilet'. Replace the letter 'r' with 'x' in the sentence.

A: thexe is a stepladdex situated ovex a toilet
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Q: Sentence: 'a row of lawn chairs with umbrellas over them'. Replace the letter 'e' with 'x' in the sentence.

A: a row of lawn chairs with umbrxllas ovxr thxm
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Q: Sentence: 'a young man skating on a slope while others watch'. Replace the letter 'a' with 'c' in the sentence.

A:
c young mcn skcting on c slope while others wctch
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