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 man stands wearing a suit and looking serious'. Remove all words of length '6' in the given sentence.

Ex Output:
a man wearing a suit and looking serious


Ex Input:
Sentence: 'a dog jumping in the air with a frisbee in its mouth'. Remove all words of length '7' in the given sentence.

Ex Output:
a dog in the air with a in its mouth


Ex Input:
Sentence: 'two black suit cases are sitting next to boxes'. Remove all words of length '7' in the given sentence.

Ex Output:

two black suit cases are next to boxes