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 tops are bottoms.
All pullovers are bottoms.
All bottoms are pants.

Conclusions:
I. All pullovers are pants.
II. All pants are tops.
III. Some pants are pullovers.