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 young skier dressed in red awaiting a ski lift'. Remove all words of length '4' in the given sentence.

Ex Output:
a young skier dressed in red awaiting a ski


Ex Input:
Sentence: 'a woman is sitting outside at a picnic table'. Remove all words of length '5' in the given sentence.

Ex Output:
a is sitting outside at a picnic


Ex Input:
Sentence: 'a boy reads a book while laying under a blanket'. Remove all words of length '7' in the given sentence.

Ex Output:

a boy reads a book while laying under a