In this task, you need to replace a letter in the sentence with another given letter.

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

[EX Q]: Sentence: 'a person on a surfboard riding in ocean waves'. Replace the letter 's' with 'g' in the sentence.
[EX A]: a pergon on a gurfboard riding in ocean waveg

[EX Q]: Sentence: 'the old wooden train no longer functions at all'. Replace the letter 'r' with 'e' in the sentence.
[EX A]:
the old wooden teain no longee functions at all