Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to join multiple slack teams on iphone or ipad [title] Open slack on your iphone or ipad. [step] The slack app looks like an " s " in a colored square icon on your home screen. [substeps] If you're not automatically logged in, tap the sign in button at the bottom, and sign in to the workspace you want to message.

Ending1: [title] Tap the icon on the top-left. [step] This button will open your navigation menu on the left-hand side of your screen. Ending2: [title] Tap the message that says " account " in the top right corner. [step] It will be a black circle with a white " account " in the upper right corner. Ending3: Tap the chats tab at the top of the screen, and log in again. Your chats will be listed with the respective " to " fields (each of the three default chat names) to the left. Ending4: [title] Tap the + symbol in the upper-right corner. [step] This forms a gear next to the app's logo.

Answer format: ending1/ending2/ending3/ending4