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:
Power is derived from ____ sources, money and people.
answer:
two


question:
Many infected dogs exhibit ____ symptoms until the disease is in an advanced state.
answer:
no


question:
Incomplete metamorphosis takes place with nymphs hatching in about ____ months.
answer:

four