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 dog with a long tail is laying in a chair'. Remove all words of length '2' in the given sentence.

Answer: a dog with a long tail laying a chair


Question: Sentence: 'boats sailing along a river next to a cliff with buildings on it'. Remove all words of length '4' in the given sentence.

Answer: boats sailing along a river to a cliff buildings on it


Question: Sentence: 'a group of people standing at the bottom of an escalator'. Remove all words of length '3' in the given sentence.

Answer:
a group of people standing at bottom of an escalator