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: 'young skateboarder on paved roadway near grassy slope'. Reverse all words of length '6' in the given sentence.
young skateboarder on paved roadway near yssarg slope

Sentence: 'a man wearing a vest and tie posing for the camera'. Reverse all words of length '1' in the given sentence.
a man wearing a vest and tie posing for the camera

Sentence: 'a amtrak train that is stopped at a station for loading of passengers'. Reverse all words of length '2' in the given sentence.

a amtrak train that si stopped ta a station for loading fo passengers