instruction:
Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
question:
Echinoderms have radial symmetry , many having ____ or multiples of five arms.
answer:
five


question:
Cesarean section are three to ____ times more likely for pregnant women with diabetes.
answer:
four


question:
Smokers are ____ times more likely to have periodontal disease than non-smokers.
answer:

five