Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to block people on periscope [title] Launch periscope. [step] Locate the app on your iphone and tap on it. The app logo has a picture of a periscope on cyan background.

Ending1: Periscope will automatically open and display your blocked user's login information. [title] Log in to your periscope account. Ending2: If you've used the app before, you won't need to sign in again. [substeps] You will be brought to your main dashboard screen. Ending3: This will display the app's launch screen. [title] Tap the " people " icon to display user comments. Ending4: [title] Tap the " sign up " button next to the periscope logo. [step] You will be directed to the login page.

Answer format: ending1/ending2/ending3/ending4