Statements
All holders are chocolates.
No chocolate is a lamp.
Some lamps are desks.
All desks are pens.
Conclusions
I.Some pens are chocolates.
II.Some desks are lamps.
III.No pen is a chocolate.
IV.Some pens are holders.
Only I follows
Only II follows
Only III follows
Either I or III follows
Either I or III and II follow
Either I or III and II follow