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 wooden fences sitting next to each other by a  tree'. Remove all words of length '6' in the given sentence.
Example Output: two sitting next to each other by a tree

Example Input: Sentence: 'a duck and baby ducks are in the blue water'. Remove all words of length '4' in the given sentence.
Example Output: a and ducks are in the water

Example Input: Sentence: 'four refrigerators sit in a row in a room'. Remove all words of length '2' in the given sentence.
Example Output:
four refrigerators sit a row a room