Please choose the correct ending to complete the given sentence: Youth: [header] How to convince your parents to buy you a guinea pig [title] Learn everything you can about guinea pigs. [step] Research all the pertinent information that goes into taking care of them. You should be equipped with an arsenal of knowledge so you can respond to any questions your parents ask you about guinea pigs.

Ending1: Keep in mind that guinea pigs are deaf and can't understand humans. Therefore, you might not understand all the details, such as their names, so try to be yourself. Ending2: A few facts about guinea pigs to get you started are : [substeps] Guinea pigs live about five to six years and are very social creatures. A cage for a guinea pig should be at least two feet wide by four feet long for each guinea pig. Ending3: [substeps] Study the anatomy, age, sex, and lifespan of the guinea pigs, as well as their hygienic habits and blood types. Collect records of any feeding habits, eating habits, grooming habits, and early warning signs of ill health. Ending4: Find out the species, breed and quality of guinea pigs you have at home, and learn about their individual characteristics and temperament. All that you need to know when speaking to your parents is the respect and effort they have put into adopting these animals.

Answer format: ending1/ending2/ending3/ending4