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 cat sitting on papers on top of a keyboard'. Remove all words of length '1' in the given sentence.
Example Output: cat sitting on papers on top of keyboard

Example Input: Sentence: 'a white and black toilet sits in a bathroom'. Remove all words of length '4' in the given sentence.
Example Output: a white and black toilet in a bathroom

Example Input: Sentence: 'there is no image here to post a description or'. Remove all words of length '11' in the given sentence.
Example Output:
there is no image here to post a or