Take the following as truth: But ”but I thought you thought so too? Poirot gave me one look, which conveyed a wondering pity, and his full sense of the utter absurdity of such an idea. 
Then the following statement: "I was so sure that Poirot and I were following the same idea, but when I said as much, he gave a look that set me straight. " is true, false, or inconclusive?