Take the following as truth: He just seemed more relaxed yesterday--less of a snake-oil salesman, less apt to be pissed-off by rude questions, more willing to hit back, but in a good-natured way, and more confident about his own achievements.
Then the following statement: "He was more relaxed yesterday because he had taken a bunch of xanax. " is true, false, or inconclusive?
Answer: Inconclusive