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 couple of passengers board the bus at night'. Remove all words of length '10' in the given sentence.

Answer: a couple of board the bus at night


Question: Sentence: 'a couple of airplanes sitting outside of a building'. Remove all words of length '1' in the given sentence.

Answer: couple of airplanes sitting outside of building


Question: Sentence: 'a snowy mountain side with some people walking'. Remove all words of length '4' in the given sentence.

Answer:
a snowy mountain people walking