instruction:
In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.
question:
Sentence: 'a group of snow boarders pose in the snow on top of a hill'. Reverse all words of length '5' in the given sentence.
answer:
a puorg of snow boarders pose in the snow on top of a hill


question:
Sentence: 'a sign explain the meaning of the road work'. Reverse all words of length '7' in the given sentence.
answer:
a sign nialpxe the gninaem of the road work


question:
Sentence: 'a group of women with champagne glasses cheering one another'. Reverse all words of length '8' in the given sentence.
answer:

a group of women with champagne glasses gnireehc one another