TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a lonley giraffe is making a trek in the wild'. Replace the letter 'r' with 'h' in the sentence.

SOLUTION: a lonley gihaffe is making a thek in the wild

PROBLEM: Sentence: 'a white plate topped with meat and greens'. Replace the letter 's' with 'b' in the sentence.

SOLUTION: a white plate topped with meat and greenb

PROBLEM: Sentence: 'a police officer that is standing inside of a boat'. Replace the letter 'e' with 'j' in the sentence.

SOLUTION:
a policj officjr that is standing insidj of a boat