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 on skis is under an empty ski lift'. Reverse all words of length '1' in the given sentence.
a man on skis is under an empty ski lift

Sentence: 'a computer keyboard and mouse sit on a desk'. Reverse all words of length '5' in the given sentence.
a computer keyboard and esuom sit on a desk

Sentence: 'a child is inside standing on a skateboard'. Reverse all words of length '6' in the given sentence.

a child is edisni standing on a skateboard