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: 'an empty side by side stainless steel refrigerator sits ajar'. Remove all words of length '4' in the given sentence.

Ex Output:
an empty by stainless steel refrigerator


Ex Input:
Sentence: 'a surfer is leaving the water with his board as the waves roll in'. Remove all words of length '4' in the given sentence.

Ex Output:
a surfer is leaving the water his board as the waves in


Ex Input:
Sentence: 'a person presses buttons on a cell phone'. Remove all words of length '2' in the given sentence.

Ex Output:

a person presses buttons a cell phone