...host/co-host three parties
...hoax a bid
...promote a real convention
again all at the same time.
(Assume Costume-Con promotion at each one)
Costume College: Don't know. We had been negotiating to host the hospitality suite one night, but have heard nothing.
SiliCon: One party, landlord another.
Yaoi-Con: Don't even know if we're going.
Philcon: Costume Guests, maybe a party.
LosCon: One party.
Further Confusion: Two parties.
Gallifrey One: One party, landlord another.
Costume-Con 26: Well...