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 skateboarder doing a trick on a ramp'. Reverse all words of length '2' in the given sentence.
a skateboarder doing a trick no a ramp

Sentence: 'a dog lays next to a bag on a couch'. Reverse all words of length '4' in the given sentence.
a dog syal txen to a bag on a couch

Sentence: 'two young children playing in a living room'. Reverse all words of length '6' in the given sentence.

two young children playing in a gnivil room