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: 'an office with file cabinets a keyboard and chairs'. Remove all words of length '4' in the given sentence.
Example Output: an office cabinets a keyboard and chairs

Example Input: Sentence: 'a burning wood stove has a tea pot sitting on top of it and is full of wood'. Remove all words of length '4' in the given sentence.
Example Output: a burning stove has a tea pot sitting on top of it and is of

Example Input: Sentence: 'a red and gray bus stopped at the bus stop'. Remove all words of length '2' in the given sentence.
Example Output:
a red and gray bus stopped the bus stop