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: 'pictures a candle a single flower and a stuffed bear on a table'. Reverse all words of length '6' in the given sentence.
Example Output: pictures a eldnac a elgnis rewolf and a stuffed bear on a table

Example Input: Sentence: 'a group of motorcycle riders one with a side car'. Reverse all words of length '6' in the given sentence.
Example Output: a group of motorcycle sredir one with a side car

Example Input: Sentence: 'two giraffes standing in a large green field'. Reverse all words of length '3' in the given sentence.
Example Output:
owt giraffes standing in a large green field