TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'an overhead view of a city cross walk on a rainy day features an array of colorful umbrellas'. Replace the letter 's' with 'd' in the sentence.

SOLUTION: an overhead view of a city crodd walk on a rainy day featured an array of colorful umbrellad

PROBLEM: Sentence: 'a toilet in a bathroom with small white tile on the floor'. Replace the letter 'a' with 'p' in the sentence.

SOLUTION: p toilet in p bpthroom with smpll white tile on the floor

PROBLEM: Sentence: 'the black cat likes to nap near any electronic device'. Replace the letter 'a' with 'e' in the sentence.

SOLUTION:
the bleck cet likes to nep neer eny electronic device