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 fire hydrant at a city intersection near tall buildings'. Reverse all words of length '2' in the given sentence.
answer:
a fire hydrant ta a city intersection near tall buildings


question:
Sentence: 'a man trying to hit a ball that is close to the ground'. Reverse all words of length '1' in the given sentence.
answer:
a man trying to hit a ball that is close to the ground


question:
Sentence: 'a couple of people with snowboards in a room'. Reverse all words of length '4' in the given sentence.
answer:

a couple of people htiw snowboards in a moor