A、She thinks the man should stay with his sister at home. B、She invites the man and his sister to her party. C、She will go with

M: Say, remember that proposal for an international festival next spring? Do you think there’s any chance it’ll ever get off the ground?
W: I don’t think it’s a question of whether it’ll happen. It’s just a matter of where it’ll be held.
Q: What does the woman imply about the international festival?

M: I’d love to come to your birthday party on Sunday. But my sister is arriving from London that day.
W: That’s no problem. The more the merrier.
Q: What does the woman mean?