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: 'a duck and baby ducks are in the blue water'. Remove all words of length '4' in the given sentence.

Ex Output:
a and ducks are in the water


Ex Input:
Sentence: 'a double decker bus driving on a snowy day'. Remove all words of length '2' in the given sentence.

Ex Output:
a double decker bus driving a snowy day


Ex Input:
Sentence: 'two people are playing ball in a parking area beside a city river'. Remove all words of length '2' in the given sentence.

Ex Output:

two people are playing ball a parking area beside a city river