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

[Q]: Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.
[A]: a person unher an open umbrella in the sanh


[Q]: Sentence: 'a toilet that is being worked on with its  seat removed'. Replace the letter 't' with 'p' in the sentence.
[A]: a poilep phap is being worked on wiph ips  seap removed


[Q]: Sentence: 'several cars are travelling in the busy city'. Replace the letter 'e' with 'c' in the sentence.
[A]:
scvcral cars arc travclling in thc busy city