Rajasthan Police Constable Model Paper 2

Direction: In the question below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to betrue even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically followsfrom the given statements disregarding commonly known facts
Statements:
All cyan are magenta
No magenta is yellow
All yellows are black
Conclusions:
I. At least some black are magenta
II. No black is magenta