Lou observes that if flight 409 is canceled, then the manager could not possibly arrive in time for the meeting. But flight 409 was not canceled. Therefore, Lou concludes, the manager will certainly be on time. Evelyn replies that even if Lou's premises are true, his argument is fallacious. And therefore, she adds, the manager will not arrive on time after all.
Which of the following is the strongest thing that we can properly say about this discussion?
A) Evelyn is mistaken in thinking Lou's argument to be fallacious, and so her own conclusion is unwarranted.
B) Evelyn is right about Lou's argument, but nevertheless her own conclusion is unwarranted.
C) Since Evelyn is right about Lou's argument, her own conclusion is well-supported.
D) Since Evelyn is mistaken about Lou's argument, her own conclusion must be false.
E) Evelyn is right about Lou's argument, but nevertheless her own conclusion is false.
I favor B. Both B and E says Evelyn is right about Lou's argument being fallacious. But E goes on to state that her own conclusion is false. That would mean we, the readers, are saying that her argument is false. Unwarranted would be a better choice, since this word would go to say Evelyn's argument is unjustified, which is indeed the case.