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 zebra stand together and eat grass'. Replace the letter 'n' with 'r' in the sentence.
answer:
a herd of zebra stard together ard eat grass

question:
Sentence: 'a person is holding a fork with pancakes on a plate'. Replace the letter 'o' with 'v' in the sentence.
answer:
a persvn is hvlding a fvrk with pancakes vn a plate