Take the following as truth: Mr. Inglethorp, knowing what I have now told you, do you still refuse to say where you were at six o'clock on Monday afternoon?" With a groan, Alfred Inglethorp sank down again and buried his face in his hands. 
Then the following statement: "Mr. Inglethorp knew that they had caught him in a lie." is true, false, or inconclusive?
Answer: Inconclusive