Please choose the correct ending to complete the given sentence: Health: [header] How to do abdominal breathing [title] Take stock of your normal breathing. [step] Before you practice abdominal breathing, pay attention to your normal patterns of breathing. Abdominal breathing should work to alter the normal pace and size of your breaths to promote relaxation.

Ending1: [substeps] Close your eyes and pay attention to your breathing. Try to focus on your breaths and block out other stimulants like noises or smells. Ending2: [substeps] Generally, you inhale slowly and deeply through your nose, hold it for seven seconds, then exhale for five seconds. Repeat this pattern every day for an additional week (or longer if you need to). Ending3: Here are some common abdominal breathing patterns you might notice : [substeps] Your breathing can have a calming effect that can help regulate your heart rate. It may be a good idea to sit or lie down for some basic practice practice. Ending4: [substeps] To begin with, sit with a normal posture, with your upper body close to the floor and your torso facing forward. Consciously, take note of how your chest feels and how your rib cage feels.

Answer format: ending1/ending2/ending3/ending4