TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a metal bowl filled with lots of red apples'. Replace the letter 'b' with 'x' in the sentence.

SOLUTION: a metal xowl filled with lots of red apples

PROBLEM: Sentence: 'a gate with a stop sign blocking the road'. Replace the letter 'h' with 'y' in the sentence.

SOLUTION: a gate wity a stop sign blocking tye road

PROBLEM: Sentence: 'a baseball player running towards a base near a ball'. Replace the letter 'n' with 'k' in the sentence.

SOLUTION:
a baseball player rukkikg towards a base kear a ball