Please choose the correct ending to complete the given sentence: Health: [header] How to do concentration meditation [title] Find a quiet, private spot for meditation. [step] Ideally, your meditation should be in a space free of pets, distracting noises or other people. Some people choose to set aside a corner of a room in their homes for the sole purpose of meditation.

Ending1: Never, under any circumstances, leave the room while meditating. [substeps] Spend some time meditating in one spot. Ending2: In this case, build yourself a quiet space in your house. [substeps] To experiment with the privacy of a quiet place, keep the curtains and blinds up and away from your windows. Ending3: Others prefer to sit outside, weather permitting. [substeps] Sitting in the same spot might help increase your ability to concentrate. Ending4: The idea is that you feel safe here and do not disturb or anger other people in the room. Without excess distractions, your focus will be uninterrupted and your meditation sessions won't take place.

Answer format: ending1/ending2/ending3/ending4