This is a question with answer options. What kind of thing would the answer to the question "What is the normal resting heart rate of a healthy adult ?" be an entity, an abbreviation, a description, a human, a location, or a numeric value?

Pick your answer from:
[a]. description;
[b]. entity;
[c]. abbreviation;
[d]. human;
[e]. numeric;
[f]. location;
[e].