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: 'a stop sign next to houses with christmas lights'. Reverse all words of length '4' in the given sentence.

Ex Output:
a pots ngis txen to houses htiw christmas lights


Ex Input:
Sentence: 'a keyboard equipped with a gel wrist wrest'. Reverse all words of length '1' in the given sentence.

Ex Output:
a keyboard equipped with a gel wrist wrest


Ex Input:
Sentence: 'a man standing with his thumbs in his pockets in front of a door'. Reverse all words of length '7' in the given sentence.

Ex Output:

a man standing with his thumbs in his stekcop in front of a door