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 man stands wearing a suit and looking serious'. Remove all words of length '6' in the given sentence.
Example Output: a man wearing a suit and looking serious

Example Input: Sentence: 'a man sanding in a room next to a clock wearing a tie'. Remove all words of length '3' in the given sentence.
Example Output: a sanding in a room next to a clock wearing a

Example Input: Sentence: 'a kitchen in the middle of being refurbished'. Remove all words of length '6' in the given sentence.
Example Output:
a kitchen in the of being refurbished