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.

Ex Input:
Sentence: 'business signs hanging over sidewalk in city area'. Remove all words of length '4' in the given sentence.

Ex Output:
business signs hanging sidewalk in


Ex Input:
Sentence: 'a couple of men on a field with a frisbee'. Remove all words of length '1' in the given sentence.

Ex Output:
couple of men on field with frisbee


Ex Input:
Sentence: 'a man sitting on the floor holding an umbrella'. Remove all words of length '3' in the given sentence.

Ex Output:

a sitting on floor holding an umbrella