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

[EX Q]: Sentence: 'a little girl is sitting in a suitcase in a library'. Replace the letter 't' with 'l' in the sentence.
[EX A]: a lillle girl is silling in a suilcase in a library

[EX Q]: Sentence: 'someone playing frisbee with a dog in the middle of a court'. Replace the letter 'd' with 'r' in the sentence.
[EX A]: someone playing frisbee with a rog in the mirrle of a court

[EX Q]: Sentence: 'a woman presents a dog with a stuffed animal'. Replace the letter 'f' with 'n' in the sentence.
[EX A]:
a woman presents a dog with a stunned animal