instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a pair of planes in an airport lot parked for boarding and exiting'. Replace the letter 'e' with 'o' in the sentence.
answer:
a pair of planos in an airport lot parkod for boarding and oxiting


question:
Sentence: 'a no parking sign next to a car riding down a street'. Replace the letter 'g' with 'l' in the sentence.
answer:
a no parkinl siln next to a car ridinl down a street


question:
Sentence: 'a banana is sitting outside with a water fountain behind it'. Replace the letter 'n' with 'l' in the sentence.
answer:

a balala is sittilg outside with a water foultail behild it