Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to breed pugs [title] Examine your motivations for breeding. [step] When you begin thinking about breeding your pug, you need to make sure that you are breeding for the right reason. The real reason you should breed your pug is to improve the pug breed overall.

Ending1: Before you jump right into breeding, identify those reasons for breeding your pug with a reasonable certainty: you want to breed your pug to become a better putter. There is no right answer to that question. Ending2: [substeps] This means that you want to breed your pug in order to produce more happy, healthy pug specimens. You should not breed pugs if you just want to make money or profit in any other way. Ending3: Uniqueness is far more vital in helping you breed your pug, than to breed him as a potential puppy. Therefore, it is important that you first understand your own potential for breeding your pug. Ending4: Fortunately, there are some people in your community who will donate their pug's egg for breeding. Think carefully before breeding your pug to make sure that you are capable of raising your pug properly.

Answer format: ending1/ending2/ending3/ending4