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 black bear sitting on top of a fallen log at a zoo'. Remove all words of length '7' in the given sentence.

Ex Output:
a black bear on top of a fallen log at a zoo


Ex Input:
Sentence: 'young boys sitting at table enjoying lunch on deck'. Remove all words of length '5' in the given sentence.

Ex Output:
boys sitting at enjoying on deck


Ex Input:
Sentence: 'several bicycles loaded with green bananas and two men'. Remove all words of length '4' in the given sentence.

Ex Output:

several bicycles loaded green bananas and two men