Definition: 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.
Input: Sentence: 'black and white photo of man in suit looking at several clocks on the wall'. Reverse all words of length '2' in the given sentence.

black and white photo fo man ni suit looking ta several clocks no the wall