Definition: In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
Input: Article: The booking notes of the play The Age of Innocence: Price:$10 BOOKING There are four easy ways to book seats for performance: --in person The Box Office is open from Monday to Saturday,10 a.m.--8 p.m. --by telephone Ring 01324976 to reserve your tickets or to pay by credit card(Visa, MasterCard and Amex accepted) --by post Simply complete the booking form and return it to Global Theatre Box Office. --on line Complete the on-line booking form at www. Satan-fiedtheatre.com DISCOUNTS: Saver: $ 2 off any seat booked any time in advance for performances from Monday to Thursday. Savers are available for children up to 16 years old, over 60s and full-time students. Supersaver: half-price seats are available for people with disabilities and one companion. It is advisable to book in advance. There is a maximum of eight wheelchair spaces available and one wheelchair space will be held until an hour before the show. Standby: best available seats are on sale for $ 6 from one hour before the performance for people eligible (suitable) for Saver and Supersaver discounts and thirty minutes before for all other customers. Group Bookings: there is a ten percent discount for parties of twelve or more. School: school parties of ten or more can book $6 standby tickets in advance and will get every tenth ticket free. Please note: we are unable to exchange tickets or refund money unless a performance is canceled due to unforeseen circumstances. 
 Answer: complete a booking form and post it to the Box Office

If you want to book a ticket, you CANNOT   _  .