Q:

Statements:
 l. All phones are laptops.
 ll. All pen-drives are phones.
 lll. All pen-drives are pens.

Conclusions:
 I. All pens are phones.
 II. All laptops are pens.
 III. All pen-drives are laptops.

• 1
  Only conclusion III follows
• 2
  Only conclusions I and II follow
• 3
  Only conclusions II and III follow
• 4
  Only conclusions I and III follow