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

[EX Q]: Sentence: 'a long green grain traveling past a white building'. Replace the letter 'w' with 'o' in the sentence.
[EX A]: a long green grain traveling past a ohite building

[EX Q]: Sentence: 'a woman is on skis riding down the snow covered sloped'. Replace the letter 'd' with 'q' in the sentence.
[EX A]: a woman is on skis riqing qown the snow covereq slopeq

[EX Q]: Sentence: 'a person standing on a snow covered slope with skis'. Replace the letter 'd' with 'p' in the sentence.
[EX A]:
a person stanping on a snow coverep slope with skis