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: 'there is a large black bear that is siting on a rock'. Reverse all words of length '5' in the given sentence.
[A]: ereht is a egral kcalb bear that is siting on a rock


[Q]: Sentence: 'many cows on a field of grass with trees in the background'. Reverse all words of length '1' in the given sentence.
[A]: many cows on a field of grass with trees in the background


[Q]: Sentence: 'a toilet is sitting inside of a bathtub'. Reverse all words of length '2' in the given sentence.
[A]:
a toilet si sitting inside fo a bathtub