instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of men playing a  game of tennis'. Replace the letter 'n' with 'c' in the sentence.
answer:
a couple of mec playicg a  game of teccis


question:
Sentence: 'a giraffe leaning over a fence from inside it's pasture'. Replace the letter 'n' with 'l' in the sentence.
answer:
a giraffe lealilg over a felce from ilside it's pasture


question:
Sentence: 'man surfing while a crowd of people watch on the nearby wall'. Replace the letter 'h' with 'a' in the sentence.
answer:

man surfing waile a crowd of people watca on tae nearby wall