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 black cat sitting on top of a pot for a plant'. Remove all words of length '7' in the given sentence.
Example Output: a black cat on top of a pot for a plant

Example Input: Sentence: 'a woman is listening to her mobile device'. Remove all words of length '6' in the given sentence.
Example Output: a woman is listening to her

Example Input: Sentence: 'a bathroom with a wooden floor and hot tub'. Remove all words of length '3' in the given sentence.
Example Output:
a bathroom with a wooden floor