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 cows are lying down in a field'. Remove all words of length '4' in the given sentence.
Example Output: two are lying in a field

Example Input: Sentence: 'oriental setting with a orange case and red candle on a stand'. Remove all words of length '1' in the given sentence.
Example Output: oriental setting with orange case and red candle on stand

Example Input: Sentence: 'a fire hydrant on a sidewalk in front of a brick building'. Remove all words of length '2' in the given sentence.
Example Output:
a fire hydrant a sidewalk front a brick building