TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a building has a clock on the top of it'. Replace the letter 'l' with 'x' in the sentence.

SOLUTION: a buixding has a cxock on the top of it

PROBLEM: Sentence: 'two children struggle over a bat in their playroom'. Replace the letter 't' with 'v' in the sentence.

SOLUTION: vwo children svruggle over a bav in vheir playroom

PROBLEM: Sentence: 'a close-up of a plate of food containing broccoli'. Replace the letter 'e' with 'o' in the sentence.

SOLUTION:
a closo-up of a plato of food containing broccoli