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: 'there are many animals standing on the top of this mountain'. Reverse all words of length '4' in the given sentence.

Ex Output:
there are ynam animals standing on the top of siht mountain


Ex Input:
Sentence: 'a person holding a black remote control in their right hand'. Reverse all words of length '5' in the given sentence.

Ex Output:
a person holding a kcalb remote control in rieht thgir hand


Ex Input:
Sentence: 'hot dogs pickles and tater tots are on plates'. Reverse all words of length '7' in the given sentence.

Ex Output:

hot dogs selkcip and tater tots are on plates