﻿* 
* My conclusions:
< His option is 6.
< 
* 
* My conclusions:
< His option is 6. Because:
<	- An option is 1, 2, 3, 4, 5, 6, 7, 8 or 9.
<	- His option is not 9, not 8, not 7, not 5, not 4, not 3, not 2 and not 1.
< 
