Possible answers:
 (A). description;
 (B). entity;
 (C). abbreviation;
 (D). human;
 (E). numeric;
 (F). location;Would the answer to the question "What substance did Joseph Priestley name for its ability to erase pencil marks ?" be an entity, an abbreviation, a description, a human, a location, or a numeric value?
(B).