Three statements are given followed by three conclusions numbered I, II and III.
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 drinks are shakes.
All teas are shakes.
All shakes are coffee.

Conclusions:
I. All coffees are teas.
II. All coffees are drinks.
III. Some coffees are shakes.