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.
--------
Question: Sentence: 'a group of police officers working at a wreckage scene'. Remove all words of length '1' in the given sentence.

Answer: group of police officers working at wreckage scene


Question: Sentence: 'two cows are lying down in a field'. Remove all words of length '4' in the given sentence.

Answer: two are lying in a field


Question: Sentence: 'a old tower clock next to a glass office building'. Remove all words of length '8' in the given sentence.

Answer:
a old tower clock next to a glass office