Related Clues:

• Explained logically in the lecture, as one discovers
• Each boy should be in a particular colour, it's argued
• Thought logically when one got into debt?
• Study disrupted by small, single sound
• Maybe went from Putney to Mortlake using South Circular, say?
• Deduced
• Thought logically
• Discussed formally
• Performed brain operations in theatre, as one does
• Used blade in a way that's audible
• Appealed, as for mercy
• Emulated Michael of song
• Concluded, when one went into the shade
• Made progress on the water using oars
• Went boating; quarrelled