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: 'an old chair with telephone books on it in a room with guitars and a tv'. Reverse all words of length '7' in the given sentence.

Ex Output:
an old chair with telephone books on it in a room with sratiug and a tv


Ex Input:
Sentence: 'a fire hydrant placed in the street just off the curb'. Reverse all words of length '3' in the given sentence.

Ex Output:
a fire hydrant placed in eht street just ffo eht curb


Ex Input:
Sentence: 'a boat sails through a body of water'. Reverse all words of length '2' in the given sentence.

Ex Output:

a boat sails through a body fo water