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.

[Q]: Sentence: 'a man and a woman wearing all black are sitting next to each other on a bench'. Reverse all words of length '4' in the given sentence.
[A]: a man and a woman wearing all black are sitting txen to hcae other on a bench


[Q]: Sentence: 'a photo in an airport showing a backpack and a cell phone'. Reverse all words of length '8' in the given sentence.
[A]: a photo in an airport showing a kcapkcab and a cell phone


[Q]: Sentence: 'a herd of giraffe standing on top of a field'. Reverse all words of length '4' in the given sentence.
[A]:
a dreh of giraffe standing on top of a field