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 blue sign sitting on the side of a road next to a tree'. Reverse all words of length '1' in the given sentence.
answer:
a blue sign sitting on the side of a road next to a tree


question:
Sentence: 'a pair of melted scissors on top of a reflective surface'. Reverse all words of length '7' in the given sentence.
answer:
a pair of melted scissors on top of a reflective ecafrus


question:
Sentence: 'a red bull is grazing in a pasture'. Reverse all words of length '3' in the given sentence.
answer:

a der bull is grazing in a pasture