Postal or Sorting Assistants Model Paper 12 for online practice

Two statements are given followed by four conclusions I, II, III and IV. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions, if any, follow fromthe given statements. Indicate your answer.
Statements :
1. All pens are pencils.
2. No pencil is monkey.
Conclusions:
I. No pen is monkey.
II. Some pens are monkeys.
III. All monkeys are pens.
IV. Some monkeys are pens.