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 person on some skis in the snow'. Remove all words of length '4' in the given sentence.
answer:
a person on in the


question:
Sentence: 'a woman is next to a stuff giraffee toy smiling'. Remove all words of length '7' in the given sentence.
answer:
a woman is next to a stuff giraffee toy


question:
Sentence: 'a black and silver trains engine and a car and grass'. Remove all words of length '3' in the given sentence.
answer:

a black silver trains engine a grass