Possible Clues:

• Fabled king in charge — it stands to reason
• Carroll's game
• Anne leaves conga line as that makes sense
• If a = b and b = c, then a = c, e.g
• Puzzle solver's need
• Detective's asset
• Vulcan's specialty
• Rigorous reasoning
• It makes sense for soldier to occupy unfinished canal construction
• See smoke circling: reason?