instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a hand held game or older cell phone'. Replace the letter 'o' with 'c' in the sentence.
answer:
a hand held game cr clder cell phcne

question:
Sentence: 'a herd of black cattle grazing and lounging in a green field'. Replace the letter 'a' with 'q' in the sentence.
answer:
q herd of blqck cqttle grqzing qnd lounging in q green field

question:
Sentence: 'a small white toilet in a tiny room'. Replace the letter 't' with 'v' in the sentence.
answer:
a small whive voilev in a viny room