Provide a Conterexample in a Finite Domain to Each Given

provide a conterexample in a finite domain to each given invalid argument.
-1. Ad ⊃ (∀x) Fdx / (∃x) Fdx

A) Counterexample in a domain of one member, in which: Ad: True Fdd: False
B) Counterexample in a domain of one member, in which: Ad: False Fdd: False
C) Counterexample in a domain of one member, in which: Ad: True Fdd: True
D) Counterexample in a domain of two members, in which: Ad: True Fdd: False
Ab: True Fdb: False
E) Counterexample in a domain of two members, in which: Ad: False Fdd: True
Ab: False Fdb: False