Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to keep a horse happy [title] Frequently offer small amounts of grain. [step] Horses are natural grazers, spending their time steadily eating in small amounts. In order to keep your horse happy, you will need to replicate this natural way of living for your horse.

Ending1: Never deprive your horse of grain. [substeps] Always offer plenty of timothy hay (preferably commercially prepared). Ending2: Try offering you horse grain at least daily for about 15 minutes a day. [substeps] One delivery of grain for your horse will be 50% (or max) of his total daily intake. Ending3: [substeps] Feed your horse different kinds of crops. Hay, timothy hay, or congee hay are all good choices for horses. Ending4: You should feed your horse small amounts of grain throughout the day in order to make him feel comfortable. [substeps] Avoid feeding your horse big meals or all at once.

Answer format: ending1/ending2/ending3/ending4