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 old building that has a big clock on top'. Remove all words of length '4' in the given sentence.

Output: a old building has a big clock on top


Input: Consider Input: Sentence: 'a bunch of bananas are shown sitting on a chair'. Remove all words of length '2' in the given sentence.

Output: a bunch bananas are shown sitting a chair


Input: Consider Input: Sentence: 'a pig head on a plate surrounded by apples'. Remove all words of length '6' in the given sentence.


Output: a pig head on a plate surrounded by