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: 'assortment of foods being cooked on outdoor grill'. Remove all words of length '6' in the given sentence.
Example Output: assortment of foods being on outdoor grill

Example Input: Sentence: 'two older men are playing with a frisbee at the park'. Remove all words of length '4' in the given sentence.
Example Output: two older men are playing a frisbee at the

Example Input: Sentence: 'a young man playing tennis on a tennis court'. Remove all words of length '2' in the given sentence.
Example Output:
a young man playing tennis a tennis court