Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to play boxball [title] Choose a location. [step] This game can be played outside or inside. If played outside, you will need to find a location with asphalt or concrete.

Ending1: If you are playing inside, you will need to make sure that the area is clear of trees and other plants that might obstruct your playing. You can be caught behind a tree, in front of a building, or even behind a wall. Ending2: Boxball is typically played on the sidewalk, but it is okay to play on an asphalt court as long as there is enough room. If played inside, only play in a designated area in a gymnasium. Ending3: You can see under your car, on an ice rink, or on a wooden sidewalk! [substeps] It's a good idea to have the exact location you select near or inside your car. Snow locks on skis can deter huge snowballs. Ending4: If you can't find a space indoors, try a parking lot. You can also build a building out of cinder blocks or wood.

Answer format: ending1/ending2/ending3/ending4