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 skier is flying through the air while people watch'. Reverse all words of length '7' in the given sentence.
answer:
a skier is flying hguorht the air while people watch


question:
Sentence: 'a child on bench sticking out her tongue'. Reverse all words of length '6' in the given sentence.
answer:
a child on bench sticking out her eugnot


question:
Sentence: 'dog curled up and sleeping on an unmade bed'. Reverse all words of length '8' in the given sentence.
answer:

dog curled up and gnipeels on an unmade bed