In this task, you need to remove 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.

Example Input: Sentence: 'a plate of food sits on a white table'. Remove all words of length '2' in the given sentence.
Example Output: a plate food sits a white table

Example Input: Sentence: 'a stack of donuts sitting on a piece of paper'. Remove all words of length '7' in the given sentence.
Example Output: a stack of donuts on a piece of paper

Example Input: Sentence: 'an empty blue park bench and green bushes with yellow flowers'. Remove all words of length '2' in the given sentence.
Example Output:
empty blue park bench and green bushes with yellow flowers