1. God/devil
2. Masculine/feminine
3. Positive/negative
4. Batman/Joker
5. Protagonist/antagonist
6. Hero/villain
7. Loki/Thor
8. Sober/drunk
9. Republican/Democrat
10. Hot/Cold
11. Diet Coke/Coke Classic
12. True/False
13. Harry Potter/Voldemort
14. Black/white
15. Left/Right
16. Yes/No
17. Facebook/MySpace (social network)
18. McDonalds/Burger King
19. Near/Far
20. Vegetarian/Carnivore
21. Happy/sad
22. Red/blue
23. Pink/blue
24. Cat/dog
25. Moon/Sun
26. Shoes/barefoot
27. Up/down
28. Hot dog/hamburger
29. Curly/straight
30. Stop/go
31. Kanye/Taylor
32. Ceiling/Floor
33. Fire/ice
33. Soup/salad
34. Light saber/blaster
35. Ignorance/knowledge
36. Salty/sweet (sweet/sour)
37. Country/city
38. Cowboy/Indian
39. Robber/cop
40. Student/teacher
