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.

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


[Q]: Sentence: 'a computer mouse and keyboard sitting next to a  monitor'. Remove all words of length '3' in the given sentence.
[A]: a computer mouse keyboard sitting next to a monitor


[Q]: Sentence: 'a skier rides the slopes down a snowy hill'. Remove all words of length '4' in the given sentence.
[A]:
a skier rides the slopes a snowy