Which of the following Venn diagrams given below correctly represents the students who learn law & music, music & dance, law & dance, and law, music, & dance? [Figure: four Venn diagrams - (A) three circles that all overlap one another, with a common central region; (B) three circles in a chain, each overlapping only its neighbour; (C) two separate small circles inside one large circle; (D) concentric circles.]