Definition: 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.
Input: Sentence: 'two large green and white jumbo jet planes on the tarmac'. Reverse all words of length '6' in the given sentence.

two large green and white jumbo jet senalp on the camrat