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: 'traffic lights on a street on a building in the street'. Remove all words of length '1' in the given sentence.

Answer: traffic lights on street on building in the street


Question: Sentence: 'there are five suitcases stacked on two shelves'. Remove all words of length '7' in the given sentence.

Answer: there are five suitcases on two


Question: Sentence: 'a train on a train track on a bridge'. Remove all words of length '6' in the given sentence.

Answer:
a train on a train track on a