instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a person who is looking at their cell phone'. Replace the letter 'o' with 'b' in the sentence.
answer:
a persbn whb is lbbking at their cell phbne


question:
Sentence: 'he is making a meal on the boat and the man behind is getting out chopsticks and the other one is sitting'. Replace the letter 'e' with 'j' in the sentence.
answer:
hj is making a mjal on thj boat and thj man bjhind is gjtting out chopsticks and thj othjr onj is sitting


question:
Sentence: 'a herd of elephants gather in a place with many trees'. Replace the letter 'p' with 'k' in the sentence.
answer:

a herd of elekhants gather in a klace with many trees