TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
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 close up of a bathroom sink with soap and tooth brushes in a cup'. Replace the letter 't' with 'y' in the sentence.

SOLUTION: a close up of a bayhroom sink wiyh soap and yooyh brushes in a cup

PROBLEM: Sentence: 'man standing in a field with frisbees in his hand and a dog standing on his back'. Replace the letter 'a' with 'o' in the sentence.

SOLUTION:
mon stonding in o field with frisbees in his hond ond o dog stonding on his bock