Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to conduct a whisper campaign [title] Start a rumor. [step] Tell others that you heard some interesting or important information from someone you trust or someone who is in a position to know a secret truth. [substeps] Rumors are sometimes used to manipulate the stock market.

Ending1: They can include hurtful comments or publicly stigmatized comments about other businesses. You can do this through forum posts, email, and discussions if you're confident enough in your ability to say the truth. Ending2: If someone news of your secret is someone who likes on you, then share that amount of information before you share it with them. If you're drinking alcohol or other tobacco products, get rid of the sugar. Ending3: A rumor that a company is about to come out with a revolutionary new product can drive the stock price of that company up. A rumor of a class action suit can cause the company's stock to plummet. Ending4: Use the rumor as a way to validate trustworthiness of new partners. [title] Post the rumor in a public forum.

Answer format: ending1/ending2/ending3/ending4