Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to relieve stress by stretching [title] Neck stretches : [step] Simple neck stretch. Sit up straight and keep your feet firmly planted on the ground. Place your right hand under your right thigh or hold the right side of the seat of your chair to secure your position.

Ending1: Then, lift your left arm over your head and gently place your hand on the right side of your head. Slowly bend your head towards the left side and hold this position for about 10-15 counts. Ending2: Stretch each vertebra from your neck to your right shoulder. Hold for two breaths and then slowly release. Ending3: Do this position until you feel your body relax. This could take a few minutes depending on your age. Ending4: Stretch to your toes, moving your right heel up as far as you can in that position. Feel the stretch in your neck, upper arms, and lower back.

Answer format: ending1/ending2/ending3/ending4