instruction:
In this task, you need to replace a letter in the sentence with another given letter.
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: 'a man walking his dog near a sandy area'. Replace the letter 'i' with 'g' in the sentence.
answer:
a man walkgng hgs dog near a sandy area


question:
Sentence: 'a living room filled with furniture and  large window'. Replace the letter 'r' with 'f' in the sentence.
answer:

a living foom filled with fufnitufe and  lafge window