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

[EX Q]: Sentence: 'a group of giraffe standing on top of a dirt field'. Replace the letter 'a' with 'y' in the sentence.
[EX A]: y group of giryffe stynding on top of y dirt field

[EX Q]: Sentence: 'a woman walks by with a large suitcase and a polka dot umbrella'. Replace the letter 'e' with 'n' in the sentence.
[EX A]: a woman walks by with a largn suitcasn and a polka dot umbrnlla

[EX Q]: Sentence: 'man sitting at a table with an assortment of food'. Replace the letter 'e' with 'w' in the sentence.
[EX A]:
man sitting at a tablw with an assortmwnt of food