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 bus passes several people riding their bicycles'. Remove all words of length '3' in the given sentence.

Ex Output:
a passes several people riding their bicycles


Ex Input:
Sentence: 'there are three men standing together by a pole in the street'. Remove all words of length '8' in the given sentence.

Ex Output:
there are three men by a pole in the street


Ex Input:
Sentence: 'a person skiing in the snow and a dog running along side him'. Remove all words of length '4' in the given sentence.

Ex Output:

a person skiing in the and a dog running along him