TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'two police officers riding horses down the street'. Replace the letter 'o' with 'd' in the sentence.

SOLUTION: twd pdlice dfficers riding hdrses ddwn the street

PROBLEM: Sentence: 'mannequins are beside a motor scooter inside a display case'. Replace the letter 'l' with 'c' in the sentence.

SOLUTION: mannequins are beside a motor scooter inside a dispcay case

PROBLEM: Sentence: 'an office cubicle with an open backpack and laptop'. Replace the letter 'i' with 'v' in the sentence.

SOLUTION:
an offvce cubvcle wvth an open backpack and laptop