instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a woman holding a tennis racket getting ready to hit a tennis ball'. Replace the letter 'r' with 'l' in the sentence.
answer:
a woman holding a tennis lacket getting leady to hit a tennis ball


question:
Sentence: 'a man walking a horse on a dirt track'. Replace the letter 't' with 's' in the sentence.
answer:
a man walking a horse on a dirs srack


question:
Sentence: 'a train going down a track by some bushes and grass'. Replace the letter 'r' with 'w' in the sentence.
answer:

a twain going down a twack by some bushes and gwass