Aparagraph about are vampires real? i really need

Actually vampires are not real, they are fictional characters found in books and movies. but there are real subcultures of vampires. Reasearchers have come across commonalities in the subculture having to do with what makes a vampire a vampire. There are two types, Sanguinarians and Psychic Vampires. Sanguinarians are vampires that feed on blood, they feel they need others blood to make themselves feel healthy and strong but they are civilized and non-violent... they only take blood from donors--people who are willing to have their blood sucked. On the other hand Psychic Vampires feed on other peoples energy instead of blood, they feel the need to feed on energy to feel lively again, they can do this by touching someone but they don't have to have physical contact to do that. They usually try to suck energy from crowds of people instead of a single person.

The correct answer is b