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 street next to two road blocks and a blurry object'. Reverse all words of length '3' in the given sentence.
answer:
a street next to owt road blocks dna a blurry object


question:
Sentence: 'a group of motorcycle riders one with a side car'. Reverse all words of length '6' in the given sentence.
answer:
a group of motorcycle sredir one with a side car


question:
Sentence: 'a person in a hat is blocking a person from getting a frisbee'. Reverse all words of length '1' in the given sentence.
answer:

a person in a hat is blocking a person from getting a frisbee