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 neon motion light on a black surface'. Remove all words of length '6' in the given sentence.
Example Output: a neon light on a black surface

Example Input: Sentence: 'adult man on cell phone while holding glass of beverage outdoors'. Remove all words of length '4' in the given sentence.
Example Output: adult man on phone while holding glass of beverage outdoors

Example Input: Sentence: 'a herb of wild zebra feed on grass'. Remove all words of length '4' in the given sentence.
Example Output:
a of zebra on grass