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.

Q: Sentence: 'a dog sitting in the passenger seat of a vehicle'. Reverse all words of length '9' in the given sentence.

A: a dog sitting in the regnessap seat of a vehicle
****
Q: Sentence: 'a group of zebras gather at a watering hole'. Reverse all words of length '1' in the given sentence.

A: a group of zebras gather at a watering hole
****
Q: Sentence: 'a train station with a train on the tracks'. Reverse all words of length '5' in the given sentence.

A:
a niart station with a niart on the tracks
****