I would attend either equally- no preference
I will attend either, but prefer 10/3
I will attend either, but prefer 10/10
I can't make 10/10 at all, prefer 10/3
I would miss half of 10/10, prefer 10/3
I can't make 10/3 at all, prefer 10/10
I would miss half of 10/3, prefer 10/10
I can't or won't attend either date.