instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man is standing at the base ball triangle with bat in tow'. Replace the letter 'n' with 'c' in the sentence.
answer:
a mac is stacdicg at the base ball triacgle with bat ic tow


question:
Sentence: 'a large orange cat sits in a chair outside'. Replace the letter 'e' with 'x' in the sentence.
answer:
a largx orangx cat sits in a chair outsidx


question:
Sentence: 'there is a small car on a closed track'. Replace the letter 'c' with 'z' in the sentence.
answer:

there is a small zar on a zlosed trazk