TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'bananas, oranges and apples are in shades of yellow and orange'. Replace the letter 'r' with 'b' in the sentence.

SOLUTION: bananas, obanges and apples abe in shades of yellow and obange

PROBLEM: Sentence: 'a man dressed in a knight costume riding a horse performing at a show'. Replace the letter 'e' with 'j' in the sentence.

SOLUTION: a man drjssjd in a knight costumj riding a horsj pjrforming at a show

PROBLEM: Sentence: 'two children are playing inside and outside of a gate'. Replace the letter 'u' with 'n' in the sentence.

SOLUTION:
two children are playing inside and ontside of a gate