Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to host a successful business conference [title] Identify the audience. [step] You need to have a clear idea of who you want to attend your conference before you start planning it. If it is too narrow an audience, you won't find a market for the conference.

Ending1: Make sure that your invited guests can express their feelings and opinion without being biased in any way. [substeps] Write down a concise opinion sheet before you invite your guest to come join you, as this will probably be handled better with a free conference. Ending2: [substeps] Determine whether you want the conference to focus on your business or simply favor your executives. Research research has demonstrated that executives like to collaborate with their advisors on specific decisions. Ending3: If you can identify a lot, the conference will attract more of them. It could also help you to choose a centerpiece or other unique look. Ending4: If it is too broad, you run the risk of a bland theme that will not hold your attendees' interest. Think about the demographic qualities of your attendees, including age, income level, and location.

Answer format: ending1/ending2/ending3/ending4