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 person wearing blue shoes riding a skateboard'. Remove all words of length '4' in the given sentence.

Ex Output:
a person wearing shoes riding a skateboard


Ex Input:
Sentence: 'long passenger train rides along the elevated train tracks'. Remove all words of length '4' in the given sentence.

Ex Output:
passenger train rides along the elevated train tracks


Ex Input:
Sentence: 'a large herd of elephants on the edge of some water'. Remove all words of length '9' in the given sentence.

Ex Output:

a large herd of on the edge of some water