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

[EX Q]: Sentence: 'a crowd looking at a trio of planes that are sitting idle'. Replace the letter 'a' with 'e' in the sentence.
[EX A]: e crowd looking et e trio of plenes thet ere sitting idle

[EX Q]: Sentence: 'a tennis racket is sitting in the middle of a tennis field'. Replace the letter 'i' with 'f' in the sentence.
[EX A]: a tennfs racket fs sfttfng fn the mfddle of a tennfs ffeld

[EX Q]: Sentence: 'some green buses are parked in a line'. Replace the letter 'a' with 'j' in the sentence.
[EX A]:
some green buses jre pjrked in j line