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 men on a field with a frisbee'. Remove all words of length '1' in the given sentence.
Example Output: couple of men on field with frisbee

Example Input: Sentence: 'a set of of stairs leading into an airplane'. Remove all words of length '8' in the given sentence.
Example Output: a set of of stairs leading into an

Example Input: Sentence: 'white train coming down the tracks near a road'. Remove all words of length '4' in the given sentence.
Example Output:
white train coming the tracks a