Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. Some books are tables.
II. All tables are chairs.
Conclusions:
I. All books are chairs.
II. Some books are chairs.
III. Some tables are book.
IV. All chairs are book.

The basic diagram for the given statements is

I. All books are chairs

From the basic diagram, all books are not chairs. Hence conclusion I do not follow.

II. Some books are chairs

From the basic diagram, some books are chairs. Hence conclusion II follows.

III. Some tables are book

From the basic diagram, some tables are book. Hence conclusion III follows.

IV. All chairs are book

From the basic diagram, all chairs are not book. Hence conclusion IV do not follow.

$$\therefore\ $$Only conclusions II and III follow the given statements

Hence, the correct answer is Option C