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: Earth Day events are arranged all over the world, but for New Yorkers in the Catskill region, there are plenty of options.s6t---- Earth Day Celebrations6t---- Place: Frost Valley; Time: Friday, April 8 - Saturday, April 9 (Check-in at 5:00 pm on Friday). Activities include recycled arts and crafts projects, classes on composting   and recycling, nature hikes, and a greenhouse planting project. All ages are welcomed. $15.00 per person (includes lunch). Kids 5 and under free. Call (845) 985-2291 for more details and to register.s6t---- Earth Festivals6t---- Place: Milford Central School; Time: Saturday, April 9 (11:00 am - 3:00 pm). Enjoy exhibits, activities and entertainment. Bring along your recyclables to be collected. You'll go green! Fashion Show will be held at the end of the day. Admission to the Festival is free, and tickets for the fashion show are $10 per person (or $60 for a table of 8). Call (607) 286-7721 for tickets to the fashion show or (607) 547-4488 for details about the Festival.s6t---- Clean Sweeps6t---- Place: Schoharie Crossing State Historic Site; Time: Sunday, April 17 (9:00 am - 12:00 pm). Help clean up the park with bush cutting and trash pick-up. You'll be joining volunteers from the Montgomery County Water Quality Committee. Please bring your own equipment (lunch will be provided). Call (518) 829-7516 for more details.s6t---- Trail Work Days6t---- It is in Grafton Lakes State Park on Saturday, April 16 (9:00 am - 12:00 pm). Enjoy the outdoors and take a hike while helping park volunteers to clear and inspect the trails. Sign up on Markwehnau@aol.com or call (518) 279-1155. This event may be rescheduled if weather is not permitting. s6t---- 
 Answer: people who want to attend Earth Day events in the Catskill regions6t----
