Three Statements are given followed by Three conclusions numbered I, II and Ill.
Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:
All pillows are bed.
Some beds are cupboards.
All cupboards are wood.

Conclusions:
I. Some beds are pillows.
II. Some cupboards are beds.
Ill. All wood are cupboards.