Please choose the correct ending to complete the given sentence: Philosophy and Religion: [header] How to clean beach sand [title] Gather twice as much sand as you'll need. [step] You'll likely lose some sand during the cleaning process. When you collect sand at the beach, gather twice as much sand as you need for your project.

Ending1: [substeps] Make sure you collect more than you're willing to feed your pet. Many people choose to stop paddling just because they're thinking they can sort sand, and many leave for other reasons, such as having more plants to eat, parking lots, etc. Ending2: Always check your sand line to see how much sand you need, and carry a time-timer for the duration of the cleaning process. It's even possible to lose less than one inch of sand during the cleaning process, depending on the extent of your sand risk. Ending3: Your sand pile should be spaced out as far as you can stand. However, sand tends to compress into either larger portions or small clumps. Ending4: This will ensure you'll have enough even if you lose some sand when you clean it. [title] Sift sand to remove unwanted rocks and debris.

Answer format: ending1/ending2/ending3/ending4