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.

Sentence: 'a baseball player at bat and swinging the bat with other players behind him in the dugout'. Reverse all words of length '5' in the given sentence.
a baseball player at bat and swinging the bat with rehto players behind him in the dugout

Sentence: 'an assortment of chinese dinner options are arranged'. Reverse all words of length '8' in the given sentence.
an assortment of chinese dinner options are degnarra

Sentence: 'a dog is sleeping on pillows on a couch'. Reverse all words of length '7' in the given sentence.

a dog is sleeping on swollip on a couch