Statements:
1. All pens are books.
2. Some books are papers.

Conclusions:
I. Some pens are papers.
II. Some books are pens.

Question

Statements:
1. All pens are books.
2. Some books are papers.

Conclusions:
I. Some pens are papers.
II. Some books are pens.

Accepted Answer

**Solution:**

1. From the first statement, "All pens are books," we know that the set of pens is entirely within the set of books.

2. The second statement says, "Some books are papers," meaning there is some overlap between books and papers.

3. Conclusion I: "Some pens are papers."
   - Since all pens are books, and only some books are papers, it is not necessary that pens overlap with papers. So, this conclusion does not necessarily follow.

4. Conclusion II: "Some books are pens."
   - Since all pens are books, it means pens are a subset of books, so definitely some books are pens. This conclusion logically follows.

**Answer:** Only II follows

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