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 very nice looking train in the dark'. Remove all words of length '7' in the given sentence.
answer:
a very nice train in the dark


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: 'two leather sofas sitting on each side of an entertainment center'. Remove all words of length '13' in the given sentence.
answer:

two leather sofas sitting on each side of an center