instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man is at bat at a baseball game with a crowd watching'. Replace the letter 't' with 'f' in the sentence.
answer:
a man is af baf af a baseball game wifh a crowd wafching


question:
Sentence: 'people are standing outside in the parking lot'. Replace the letter 'i' with 'z' in the sentence.
answer:
people are standzng outszde zn the parkzng lot


question:
Sentence: 'a large passenger plane is sitting on the tarmac'. Replace the letter 's' with 'k' in the sentence.
answer:

a large pakkenger plane ik kitting on the tarmac