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.

Sentence: 'a european army helicopter flying in the sky'. Remove all words of length '8' in the given sentence.
a army helicopter flying in the sky

Sentence: 'a large group of people with some tennis rackets'. Remove all words of length '4' in the given sentence.
a large group of people tennis rackets

Sentence: 'a horse pulling a wagon full of grass and a man'. Remove all words of length '5' in the given sentence.

a pulling a full of and a man