Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to judge heifers [title] Make sure the feet sit squarely on the ground. [step] Check the heifer's hooves when it's standing. Weight should appear evenly distributed, meaning the feet sit evenly on the ground without bending too far in or out.

Ending1: But that isn't always the case. Examine the surface of the feet to become a good judge. Ending2: [substeps] Small breed heifers are more prone to limping or sagging. If you walk any closer to the horse, he may puff out his nostrils and bite. Ending3: While heifer's hooves usually point slightly outward, hooves should be facing mostly forward and lay flat on the ground. [title] Check that the hips, hocks, and hooves are aligned. Ending4: When you first work with heifers, you'll need to get a sense of how many feet they sit on the ground and how the hooves hold their weight. [substeps] Any hooves that stick out to the sides or flop to the front should hold their weight and look balanced.

Answer format: ending1/ending2/ending3/ending4