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 young man taking a swing at a baseball'. Remove all words of length '3' in the given sentence.
Example Output: a young taking a swing at a baseball

Example Input: Sentence: 'a woman is sitting outside at a picnic table'. Remove all words of length '5' in the given sentence.
Example Output: a is sitting outside at a picnic

Example Input: Sentence: 'a group of people skiing in artificial snow'. Remove all words of length '5' in the given sentence.
Example Output:
a of people skiing in artificial snow