Q:

Statements:
All wood are chairs.
No tree is chair.
Some trees are bus.
Conclusions:
I. No wood is tree.
II. Some wood are trees.
III. Some bus are not wood.
IV. Some bus are wood.

• 1
  Only I follows
• 2
  Only I and either III or IV follow
• 3
  Only III and either I or II follow
• 4
  Only either I or II and either III or IV follow
• 5
  None of these