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 dog is sleeping on a boat in the water'. Reverse all words of length '2' in the given sentence.
answer:
a dog si sleeping no a boat ni the water


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: 'white sheep standing in a holding cell with a tag on its ear'. Reverse all words of length '7' in the given sentence.
answer:

white sheep standing in a gnidloh cell with a tag on its ear