TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a woman holding a tennis racket getting ready to hit a tennis ball'. Replace the letter 'r' with 'l' in the sentence.

SOLUTION: a woman holding a tennis lacket getting leady to hit a tennis ball

PROBLEM: Sentence: 'the airplane is parked on the runway for people to look at'. Replace the letter 'a' with 'e' in the sentence.

SOLUTION: the eirplene is perked on the runwey for people to look et

PROBLEM: Sentence: 'surfer on knees on surfboard while riding wave'. Replace the letter 'h' with 'u' in the sentence.

SOLUTION:
surfer on knees on surfboard wuile riding wave