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 dog jumping high in the air catching a frisbee in its mouth'. Reverse all words of length '8' in the given sentence.
a dog jumping high in the air gnihctac a frisbee in its mouth

Sentence: 'an aboveground subway car on a city street'. Reverse all words of length '6' in the given sentence.
an aboveground yawbus car on a city teerts

Sentence: 'a person that is taking a picture of themselves'. Reverse all words of length '10' in the given sentence.

a person that is taking a picture of sevlesmeht