instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a young baseball player throws the ball as others watch'. Replace the letter 'a' with 'n' in the sentence.
answer:
n young bnsebnll plnyer throws the bnll ns others wntch


question:
Sentence: 'adult man on grassy field playing disc game'. Replace the letter 'n' with 'l' in the sentence.
answer:
adult mal ol grassy field playilg disc game


question:
Sentence: 'a couple of guys looking at a large pizza'. Replace the letter 'a' with 'n' in the sentence.
answer:

n couple of guys looking nt n lnrge pizzn