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: 'boats sailing along a river next to a cliff with buildings on it'. Remove all words of length '4' in the given sentence.

Ex Output:
boats sailing along a river to a cliff buildings on it


Ex Input:
Sentence: 'a tired dogi s sleeping on the couch'. Remove all words of length '8' in the given sentence.

Ex Output:
a tired dogi s on the couch


Ex Input:
Sentence: 'a group of people standing underneath a wooden thing'. Remove all words of length '8' in the given sentence.

Ex Output:

a group of people underneath a wooden thing