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: 'two young men are playing a game on the wii'. Remove all words of length '4' in the given sentence.

Ex Output:
two young men are playing a on the wii


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 girl eating a hot dog in a car'. Remove all words of length '6' in the given sentence.

Ex Output:

a girl a hot dog in a car