instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of giraffes eat some food out of a trey'. Replace the letter 'f' with 'e' in the sentence.
answer:
a couple oe giraeees eat some eood out oe a trey


question:
Sentence: 'a red hydrant is sitting on the sidewalk in the city'. Replace the letter 'n' with 'r' in the sentence.
answer:
a red hydrart is sittirg or the sidewalk ir the city


question:
Sentence: 'a kid that is skateboarding on some wood blocks'. Replace the letter 'k' with 'l' in the sentence.
answer:

a lid that is slateboarding on some wood blocls