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 woman is listening to her mobile device'. Remove all words of length '6' in the given sentence.
answer:
a woman is listening to her


question:
Sentence: 'a small child with a helmet is on skis'. Remove all words of length '2' in the given sentence.
answer:
a small child with a helmet skis


question:
Sentence: 'a herd of elephants walk through a grassy terrain'. Remove all words of length '9' in the given sentence.
answer:

a herd of walk through a grassy terrain