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 group of police officers working at a wreckage scene'. Remove all words of length '1' in the given sentence.
Example Output: group of police officers working at wreckage scene

Example Input: Sentence: 'a lady in pink sitting on a bench next to a man standing in a beige suit'. Remove all words of length '2' in the given sentence.
Example Output: a lady pink sitting a bench next a man standing a beige suit

Example Input: Sentence: 'two zebras standing in long grassy field with sky'. Remove all words of length '4' in the given sentence.
Example Output:
two zebras standing in grassy field sky