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 cat sleeping with is hear resting on a keyboard'. Reverse all words of length '4' in the given sentence.
answer:
a cat sleeping htiw is raeh resting on a keyboard


question:
Sentence: 'a man is in the air riding a skateboard outside'. Reverse all words of length '2' in the given sentence.
answer:
a man si ni the air riding a skateboard outside


question:
Sentence: 'a middle aged woman wears a striped sweater coat next to a river'. Reverse all words of length '1' in the given sentence.
answer:

a middle aged woman wears a striped sweater coat next to a river