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.

Sentence: 'a young brown horse in a blue jacket running in a barn'. Reverse all words of length '4' in the given sentence.
a young brown horse in a eulb jacket running in a nrab

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

Sentence: 'this is a colander with green apples in it'. Reverse all words of length '6' in the given sentence.

this is a colander with green selppa in it