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 stack of donuts sitting on a piece of paper'. Remove all words of length '7' in the given sentence.

Answer: a stack of donuts on a piece of paper


Question: Sentence: 'a number of plates with pizzas on the table'. Remove all words of length '1' in the given sentence.

Answer: number of plates with pizzas on the table


Question: Sentence: 'a small sign in the middle of a street by a traffic signal'. Remove all words of length '2' in the given sentence.

Answer:
a small sign the middle a street a traffic signal