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

[EX Q]: Sentence: 'this is a tennis player getting ready to serve the ball'. Replace the letter 'h' with 'y' in the sentence.
[EX A]: tyis is a tennis player getting ready to serve tye ball

[EX Q]: Sentence: 'a bus parked on the side of the road'. Replace the letter 'o' with 'd' in the sentence.
[EX A]: a bus parked dn the side df the rdad

[EX Q]: Sentence: 'a castle wall with a square black clock'. Replace the letter 'a' with 'y' in the sentence.
[EX A]:
y cystle wyll with y squyre blyck clock