Jack’s calcium got the doctor to return second. (5) HINT 1: No indicator means charades: put together the word bit by bit. HINT 2: There are several words that might be abbreviated with one or two letters. These are often, but not always, a piece of the solution . Also “to return” seems to indicate some word near it in reverse in the solution. HINT 3: Calcium = CA, Doctor = DR, second = S. Read the clue again as “jacks CA got the DR (reversed) S. “Jacks” is the definition.