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

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

[EX Q]: Sentence: 'a man riding a snowboard on the side of a wall'. Replace the letter 'm' with 'p' in the sentence.
[EX A]: a pan riding a snowboard on the side of a wall

[EX Q]: Sentence: 'an ancient building with a big clock tower is against the night sky'. Replace the letter 'r' with 'a' in the sentence.
[EX A]:
an ancient building with a big clock towea is against the night sky