instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'the dog lies inside a purple and white collapsable chair'. Replace the letter 'n' with 'j' in the sentence.
answer:
the dog lies ijside a purple ajd white collapsable chair

question:
Sentence: 'a street side tree is filled with candles, teddy bears and balloons'. Replace the letter 'e' with 'c' in the sentence.
answer:
a strcct sidc trcc is fillcd with candlcs, tcddy bcars and balloons

question:
Sentence: 'there is a boat going across some water'. Replace the letter 'e' with 'k' in the sentence.
answer:
thkrk is a boat going across somk watkr