instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a young man playing tennis and preparing to hit the ball'. Replace the letter 'e' with 'c' in the sentence.
answer:
a young man playing tcnnis and prcparing to hit thc ball


question:
Sentence: 'a bunch of signs on a pole on the street'. Replace the letter 'c' with 's' in the sentence.
answer:
a bunsh of signs on a pole on the street


question:
Sentence: 'an all terrain camper parked on the side of a lake with a group of people'. Replace the letter 's' with 'o' in the sentence.
answer:

an all terrain camper parked on the oide of a lake with a group of people