TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a boy on the beach playing with a frisbee'. Replace the letter 'h' with 'e' in the sentence.

SOLUTION: a boy on tee beace playing wite a frisbee

PROBLEM: Sentence: 'top view of a bathroom including tub, sink and toilet'. Replace the letter 'f' with 'o' in the sentence.

SOLUTION: top view oo a bathroom including tub, sink and toilet

PROBLEM: Sentence: 'cat sitting on a chair in front of a plate on a table'. Replace the letter 'o' with 'w' in the sentence.

SOLUTION:
cat sitting wn a chair in frwnt wf a plate wn a table