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 man holding a bottle of beer on a counter'. Remove all words of length '4' in the given sentence.

Ex Output:
a man holding a bottle of on a counter


Ex Input:
Sentence: 'a woman cuts a piece of cake while holding a little girl'. Remove all words of length '2' in the given sentence.

Ex Output:
a woman cuts a piece cake while holding a little girl


Ex Input:
Sentence: 'a man in costume kneels down on the concrete step'. Remove all words of length '3' in the given sentence.

Ex Output:

a in costume kneels down on concrete step