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 man and a woman wearing all black are sitting next to each other on a bench'. Reverse all words of length '4' in the given sentence.
a man and a woman wearing all black are sitting txen to hcae other on a bench

Sentence: 'a man skateboards in a park for skateboarding'. Reverse all words of length '2' in the given sentence.
a man skateboards ni a park for skateboarding

Sentence: 'the front of a vintage looking courthouse building'. Reverse all words of length '10' in the given sentence.

the front of a vintage looking esuohtruoc building