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: 'the food is shaped in rings and is ready to be eaten'. Reverse all words of length '5' in the given sentence.

the food is shaped in sgnir and is ydaer to be netae