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:
No ties are pants.
All pants are shirts.
All ties are shirts.

Conclusions:
I. Some shirts are ties.
II. Some shirts are pants.
III. Some ties are shirts.