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

[EX Q]: Sentence: 'a person that is sitting under an umbrella'. Replace the letter 'a' with 'l' in the sentence.
[EX A]: l person thlt is sitting under ln umbrelll

[EX Q]: Sentence: 'children practicing tee ball together with a male coach standing behind the hitter and a tennis court in the background'. Replace the letter 'd' with 'f' in the sentence.
[EX A]: chilfren practicing tee ball together with a male coach stanfing behinf the hitter anf a tennis court in the backgrounf

[EX Q]: Sentence: 'a fighter jet sitting on top of an dry grass covered field'. Replace the letter 'e' with 'z' in the sentence.
[EX A]:
a fightzr jzt sitting on top of an dry grass covzrzd fizld