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.

Example Input: Sentence: 'this cat is sitting on a porch near a tire'. Reverse all words of length '7' in the given sentence.
Example Output: this cat is gnittis on a porch near a tire

Example Input: Sentence: 'a child on bench sticking out her tongue'. Reverse all words of length '6' in the given sentence.
Example Output: a child on bench sticking out her eugnot

Example Input: Sentence: 'people sit at a table drinking coffee and talking'. Reverse all words of length '2' in the given sentence.
Example Output:
people sit ta a table drinking coffee and talking