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.

[EX Q]: Sentence: 'a girl with a cast on her arm stands in a bathroom'. Reverse all words of length '3' in the given sentence.
[EX A]: a girl with a cast on reh mra stands in a bathroom

[EX Q]: Sentence: 'a dog that is in a living room near a group of people'. Reverse all words of length '5' in the given sentence.
[EX A]: a dog that is in a living room near a puorg of people

[EX Q]: Sentence: 'a small white airplane parked in a stationary position'. Reverse all words of length '8' in the given sentence.
[EX A]:
a small white enalpria parked in a stationary noitisop