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

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


[Q]: Sentence: 'two people are passing a man playing a piano on the street'. Replace the letter 'o' with 'i' in the sentence.
[A]: twi peiple are passing a man playing a piani in the street


[Q]: Sentence: 'yellow airplanes are line up in a grassy area'. Replace the letter 's' with 'b' in the sentence.
[A]:
yellow airplaneb are line up in a grabby area