TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a motorcycle sitting on the side of the road by grass'. Replace the letter 'r' with 't' in the sentence.

SOLUTION: a mototcycle sitting on the side of the toad by gtass

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: 'a couple of giraffes are standing near the other animals outside'. Replace the letter 'f' with 'i' in the sentence.

SOLUTION:
a couple oi giraiies are standing near the other animals outside