Please choose the correct ending to complete the given sentence: Relationships: [header] How to make a themed club with your sister [title] Pick a theme. [step] In order for your club to be successful, it should be based on a subject that you and your sister are passionate about. If you're interested in gaining a few members, it may be best to select a topic that you know others can relate to.

Ending1: For example, if you love singing, this should become your theme in your club. [substeps] You can also choose an activity together that both of you will do at the same time. Ending2: This is what will get your group going quickly. [substeps] A good theme could be a story about ancient reptiles, such as the palkia. Ending3: This could include some of your favorite sports teams, or a sport that you're both interested in. [substeps] If your club is based on a specific competitive sport, pick a theme that can appeal. Ending4: For instance, if you both love baseball and know that there are other fans in your school, you could start a baseball-themed club. Note that you may have to make compromises, as you and your sister may have different desires.

Answer format: ending1/ending2/ending3/ending4