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: 'two small children ski down a snowy tree lined slope'. Remove all words of length '4' in the given sentence.
Example Output: two small children ski a snowy lined slope

Example Input: Sentence: 'a man cuts things in a sink with cigarettes'. Remove all words of length '6' in the given sentence.
Example Output: a man cuts in a sink with cigarettes

Example Input: Sentence: 'umbrellas trees and a hut line a sandy beach'. Remove all words of length '1' in the given sentence.
Example Output:
umbrellas trees and hut line sandy beach