Statement
All chairs are pens
All flowers are pens
All pens are trucks
All trees are trucks
Conclusions
I. Some trucks are chairs
II. Some trucks are pens
III. Some trees are chairs
IV. Some trees are pens
Only I and III follow
Only I and II follows
Only II and IV follow
None of these
All pens are chairs
Some chairs are knives
All knives are rats
I. Some rats are pens
II. Some rats are chairs