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 bunch of umbrellas are up in the air'. Reverse all words of length '9' in the given sentence.
answer:
a bunch of sallerbmu are up in the air


question:
Sentence: 'a man and a dog in the water with a surfboard'. Reverse all words of length '2' in the given sentence.
answer:
a man and a dog ni the water with a surfboard


question:
Sentence: 'a traffic signal that has two red lights on it'. Reverse all words of length '1' in the given sentence.
answer:

a traffic signal that has two red lights on it