TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a child watching television changing the station with a remote'. Replace the letter 'n' with 'z' in the sentence.

SOLUTION: a child watchizg televisioz chazgizg the statioz with a remote

PROBLEM: Sentence: 'a baseball player holding a bat in front of catcher and umpire'. Replace the letter 'i' with 'k' in the sentence.

SOLUTION: a baseball player holdkng a bat kn front of catcher and umpkre

PROBLEM: Sentence: 'a box filled with different flavored donuts on a table'. Replace the letter 'a' with 'l' in the sentence.

SOLUTION:
l box filled with different fllvored donuts on l tlble