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 grey clock tower with trees and wall below'. Reverse all words of length '5' in the given sentence.
answer:
a grey kcolc rewot with seert and wall woleb


question:
Sentence: 'decorative street signs on a post in front of trees'. Reverse all words of length '10' in the given sentence.
answer:
evitaroced street signs on a post in front of trees


question:
Sentence: 'does the spray paint on their backs denote something'. Reverse all words of length '2' in the given sentence.
answer:

does the spray paint no their backs denote something