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

Answer: a army helicopter flying in the sky


Question: Sentence: 'people are standing near a tall steeple with a clock'. Remove all words of length '1' in the given sentence.

Answer: people are standing near tall steeple with clock


Question: Sentence: 'a clock on top of a post shows the time'. Remove all words of length '4' in the given sentence.

Answer:
a clock on top of a shows the