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

Answer: two


Question: Sexual maturity occurs at ____ to four years for females and four to five years for males.

Answer: three


Question: Junction is a point where ____ dissimilar metals are joined.

Answer:
two