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 couple of airplanes sitting outside of a building'. Remove all words of length '1' in the given sentence.
Example Output: couple of airplanes sitting outside of building

Example Input: Sentence: 'a man and boy playing catch on a tennis court'. Remove all words of length '6' in the given sentence.
Example Output: a man and boy playing catch on a court

Example Input: Sentence: 'a herd of zebras stand in a patch of dead grass'. Remove all words of length '5' in the given sentence.
Example Output:
a herd of zebras in a of dead