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 woman eats a piece of food with her hands'. Remove all words of length '4' in the given sentence.
Example Output: a woman a piece of her hands

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 skier standing at the top of a ski slope'. Remove all words of length '5' in the given sentence.
Example Output:
a standing at the top of a ski