In this task, you need to replace a letter in the sentence with another given letter.

[EX Q]: Sentence: 'traffic congestion with cars and an electric tram'. Replace the letter 'a' with 'k' in the sentence.
[EX A]: trkffic congestion with ckrs knd kn electric trkm

[EX Q]: Sentence: 'a woman holding a tennis racket getting ready to hit a tennis ball'. Replace the letter 'r' with 'l' in the sentence.
[EX A]: a woman holding a tennis lacket getting leady to hit a tennis ball

[EX Q]: Sentence: 'a horse in a country field with woods in the background'. Replace the letter 'a' with 'i' in the sentence.
[EX A]:
i horse in i country field with woods in the bickground