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: 'vases with flowers are setup against a pink backdrop'. Remove all words of length '5' in the given sentence.

Ex Output:
with flowers are against a pink backdrop


Ex Input:
Sentence: 'a crowd of people with kites flying overhead'. Remove all words of length '4' in the given sentence.

Ex Output:
a crowd of people kites flying overhead


Ex Input:
Sentence: 'a person holding a surfboard in the ocean while watching a wave approach'. Remove all words of length '7' in the given sentence.

Ex Output:

a person a surfboard in the ocean while watching a wave approach