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: 'an orange longhorn bull stands among the herd'. Reverse all words of length '2' in the given sentence.
[EX A]: na orange longhorn bull stands among the herd

[EX Q]: Sentence: 'a tennis player is holding a tennis racket with the crowd in the background'. Reverse all words of length '3' in the given sentence.
[EX A]: a tennis player is holding a tennis racket with eht crowd in eht background

[EX Q]: Sentence: 'a police car parked next to a sidewalk'. Reverse all words of length '6' in the given sentence.
[EX A]:
a ecilop car dekrap next to a sidewalk