Do you like her?

Yes
Kinda
I don't
No, but I might change my mind

Is it for an ocassion where you need a date?

Yes
No
It's just that girl and boy thing

Are you in doubt if she'd go with you?

Yes
Kinda
No

Does she know you? (It's probably important, right?)

Yes
No

Are both of you single?

Yes
No