A man walks at a bar. Bar lord gives him a paper. He reads 6. He says 3.He is accepted as a premium member.Another man walks in. Bar lord gives him another paper. He reads 12. He says 6.He is accepted as another premium member.Another men comes in. Bar lord gives him another paper. He reads 13. What should he say now? (mention logic)

1) 6.5
2) 6
3) 7
4) 8
5) 5
6) none of these