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I guess the slots are all booked.
I'm sure it requires a reservation.
I guess it requires a reservation.
I'm sure the slots are all booked.
I'm sure the tickets sold out.
Do you think the tickets sold out?
Do you think the slots are all booked?
Maybe it requires a reservation.
Do you think it requires a reservation?
Maybe the slots are all booked.
Maybe the tickets sold out.
Apparently, the tickets sold out.