"Thank you, Captain Black. Perhaps you could spare me a few minutes in about half an hour's time?"
"Certainly." The young soldier looked at him curiously and wiped his brow as he got up.
"And now, Hastings," said Poirot, smiling at me as the door closed behind him. "You see it all, do you not?"
"I don't know what you mean."
"Does that list of words tell you nothing?"
I scrutinized it, but was forced to shake my head.
"I will assist you. To begin with, Black answered well within the normal time limit, with no pauses, so we can take it that he himself has no guilty knowledge to conceal. 'Day' to 'Night' and 'Place' to 'Name' are normal associations. I began work with 'Bernard' which might have suggested the local doctor had he come across him at all. Evidently he had not. After our recent conversation, he gave 'Dinner' to my 'Tuesday,' but 'Journey' and 'Country' were answered by 'Ship' and 'Uganda,' showing clearly that it was his journey abroad that was important to him and not the one which
