Question 19-24,

Zeno's Unfinished Furniture sells exactly five types of furniture-footstools, hutches, sideboards, tables and vanities. Irene buys just four items, each of different type and each made entirely of one kind of wood-maple, oak, pine or rosewood. The following conditions govern Irene's purchases:

Any vanity she buys is maple.

V->M

~M-~V

Any rosewood item she buys is a sideboard.

R->S

~S->~R

If she buys a vanity, she does not buy a footstool.

V->~F

F->~V

If she buys a footstool, she also buys a table made of the same wood.

F?->T?

~T?->~F?

Irene does not buy an oak table.

~OT

*~TO->~FO

*still can buy pine, maple or rosewood.

Exactly two of the items she buys are made of the same kind of wood as each other.

only 2 items made of the same wood.

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Question 23) Which one of the following CANNOT be the two items Irene buys that are made of the same wood as each other?

a) footstool, hutch

b) hutch, sideboard

c) hutch, table

d) sideboard, vanity

e) table, vanity

**I'm stumped on answer choices a, b, c.