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

Q: Sentence: 'a bathroom that has  a sink and a toilet'. Replace the letter 's' with 'a' in the sentence.

A: a bathroom that haa  a aink and a toilet
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Q: Sentence: 'a man in black shirt laying on bed with a teddy bear'. Replace the letter 'd' with 'b' in the sentence.

A: a man in black shirt laying on beb with a tebby bear
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Q: Sentence: 'a couple of birds stand on a grass hill'. Replace the letter 'o' with 'i' in the sentence.

A:
a ciuple if birds stand in a grass hill
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