instruction:
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 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: 'two giraffes in a rock enclosure at a zoo'. Remove all words of length '8' in the given sentence.
answer:
two in a rock enclosure at a zoo


question:
Sentence: 'there is s person eating a hot dog in the dtand'. Remove all words of length '6' in the given sentence.
answer:

there is s a hot dog in the dtand