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

[EX Q]: Sentence: 'a couple of horses with carriages at a building'. Replace the letter 'u' with 'm' in the sentence.
[EX A]: a comple of horses with carriages at a bmilding

[EX Q]: Sentence: 'a woman gives a thumbs up sign while sitting in front of a sandwich'. Replace the letter 's' with 'h' in the sentence.
[EX A]: a woman giveh a thumbh up hign while hitting in front of a handwich

[EX Q]: Sentence: 'a baseball game in progress with the batter up to plate'. Replace the letter 'a' with 'y' in the sentence.
[EX A]:
y bysebyll gyme in progress with the bytter up to plyte