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: 'two men are playing a wii boxing game'. Reverse all words of length '4' in the given sentence.
answer:
two men are playing a wii boxing emag


question:
Sentence: 'a man assisting a person on a horse on a race track'. Reverse all words of length '3' in the given sentence.
answer:
a nam assisting a person on a horse on a race track


question:
Sentence: 'there is a adult cat sleeping on the couch'. Reverse all words of length '5' in the given sentence.
answer:

ereht is a tluda cat sleeping on the hcuoc