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 group of people are sitting around tables and clapping'. Remove all words of length '6' in the given sentence.

Output: a group of are sitting and clapping


Input: Consider Input: Sentence: 'the black and white zebras congregate as a pack in the field'. Remove all words of length '4' in the given sentence.

Output: the black and white zebras congregate as a in the field


Input: Consider Input: Sentence: 'a couple of cows standing on top of a grass covered field'. Remove all words of length '7' in the given sentence.


Output: a couple of cows standing on top of a grass field