TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a bathroom that has  a sink and a toilet'. Replace the letter 's' with 'a' in the sentence.

SOLUTION: a bathroom that haa  a aink and a toilet

PROBLEM: Sentence: 'a bunch of giraffe stand around on a dirt covered area'. Replace the letter 'e' with 'p' in the sentence.

SOLUTION: a bunch of giraffp stand around on a dirt covprpd arpa

PROBLEM: Sentence: 'an area of green plants next to an area of shrubbery'. Replace the letter 'o' with 'i' in the sentence.

SOLUTION:
an area if green plants next ti an area if shrubbery