Q:

Statements:
 Some bulbs are switches.
 No switch is a vase.
 All fans are switches.

Conclusions:
 I. Some bulbs being fans is a possibility.
 II. No fan is a vase.
 III. All switches are fans.
 IV. No bulb is a vase.

• 1
  Only Conclusions II and III follow
• 2
  Only Conclusions I and II follow
• 3
  Only Conclusions I, II and IV follow
• 4
  Only Conclusion I follows