Given the task definition and input, reply with output. 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: 'the table is set up with the food for people to grab what they like'. Reverse all words of length '5' in the given sentence.

the elbat is set up with the food for people to grab what they like