Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to keep a horse calm while riding [title] Take several deep breaths before you get into the saddle. [step] Approaching the horse calmly, as a rider, can also help to keep the horse calm. Before you mount the horse, take several deep, long breaths.

Ending1: This will slow down your heart rate, which will also help your horse's heart rate to remain steady and calm. [title] Talk to the horse and stroke him gently. Ending2: Then try to : [substeps] Put the horse's right heel onto the front knee. Gently align your right foot with the horse's left heel. Ending3: [substeps] Open your stirrups to the sides to get into the saddle. Change your right leg over the left if necessary to get in the saddle safely. Ending4: When you seat the horse in the saddle, keep your seat stable. Hang your handbag or sling on the side of the seat and allow the horse to negotiate.

Answer format: ending1/ending2/ending3/ending4