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.

Input: Consider Input: Sentence: 'a large flock of birds flying over a field next to a  tree'. Remove all words of length '2' in the given sentence.

Output: a large flock birds flying over a field next a tree


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

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


Input: Consider Input: Sentence: 'a boy and a girl are looking at sound wave files on a laptop'. Remove all words of length '5' in the given sentence.


Output: a boy and a girl are looking at wave on a laptop