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.

[EX Q]: Sentence: 'a very large truck with people in back on a city street'. Reverse all words of length '6' in the given sentence.
[EX A]: a very large truck with elpoep in back on a city teerts

[EX Q]: Sentence: 'the skier is doing a flip high in the air near gondala wires'. Reverse all words of length '3' in the given sentence.
[EX A]: eht skier is doing a flip high in eht ria near gondala wires

[EX Q]: Sentence: 'a red bus is at a bus stop'. Reverse all words of length '3' in the given sentence.
[EX A]:
a der sub is at a sub stop