Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to rack a pool table [title] Start off with the 1-ball at the front of the rack. [step] This is also called the " apex " of the rack [title] Make sure that the 8-ball is in the center of the rack. [step] The center of the rack is the middle of the triangle.

Ending1: This should be the third row down counting from the top. [title] Make sure the bottom corner balls are a stripe and a solid. Ending2: [title] Either raise your hands to pick the 8-ball at the front of the rack, or lower them to place 1 hand just above the center of the rack. [step] When you lift your hand, your hands should be 7 inches from the center. Ending3: [title] Make sure that the ball is in straight line where it begins the triangle. [step] Don't worry about making it perfectly straight when you put the rack on the table. Ending4: [title] Assemble another 21-ball at the back of the rack. [step] This is the " apex " that points to the player who will go first.

Answer format: ending1/ending2/ending3/ending4