Which is the smartest zodiac sign?

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Tags

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2. #measured
3. #highest
4. #zodiac
5. #ability
6. #levels
7. #scorpio
8. #different
9. #under
10. #aquarius
11. #astrologists
12. #cognitive
13. #analytical
14. #smartest
15. #reasons
16. #which
17. #those
18. #signs