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 bunch off stuffed animals are on a car'. Reverse all words of length '7' in the given sentence.
a bunch off deffuts slamina are on a car

Sentence: 'a guy is jumping off a skateboard in the air'. Reverse all words of length '1' in the given sentence.
a guy is jumping off a skateboard in the air

Sentence: 'two people on motorcycles driving down a track'. Reverse all words of length '4' in the given sentence.

two people on motorcycles driving nwod a track