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 Input:
Sentence: 'the firetruck carried the firefighters to the fire to put the blaze out'. Reverse all words of length '3' in the given sentence.

Ex Output:
eht firetruck carried eht firefighters to eht fire to tup eht blaze tuo


Ex Input:
Sentence: 'a couple of trains are sitting on some tracks'. Reverse all words of length '2' in the given sentence.

Ex Output:
a couple fo trains are sitting no some tracks


Ex Input:
Sentence: 'a yellow taxi outside of a large building'. Reverse all words of length '2' in the given sentence.

Ex Output:

a yellow taxi outside fo a large building