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 reds are roses.
No violet is a red.
Some tulips are violets.

Conclusions:
I. Some roses are violets.
II. No tulip is a red.
III. No rose is a tulip.