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: 'three cows graze on the food that sits just outside their pens'. Reverse all words of length '5' in the given sentence.
answer:
eerht cows ezarg on the food that sits just outside rieht pens


question:
Sentence: 'a bucket in a dingy looking cement walled bathroom'. Reverse all words of length '8' in the given sentence.
answer:
a bucket in a dingy looking cement walled moorhtab


question:
Sentence: 'pair of dogs watching television in living area of home'. Reverse all words of length '8' in the given sentence.
answer:

pair of dogs gnihctaw television in living area of home