TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man rolling dough in the kitchen'. Replace the letter 'a' with 'e' in the sentence.

SOLUTION: e men rolling dough in the kitchen

PROBLEM: Sentence: 'two kids sitting on a child's bed and smiling'. Replace the letter 't' with 's' in the sentence.

SOLUTION: swo kids sissing on a child's bed and smiling

PROBLEM: Sentence: 'a group of stuffed teddy bears sitting next to each other'. Replace the letter 'i' with 'j' in the sentence.

SOLUTION:
a group of stuffed teddy bears sjttjng next to each other