Detailed Instructions: 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.
Problem:Sentence: 'a small bathroom with a toilet shower towel rack and a brown yellow and white rug'. Reverse all words of length '4' in the given sentence.
Solution:
a small bathroom htiw a toilet shower towel kcar and a brown yellow and white rug