Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to respond to incoming calls with a message on an iphone [title] Receive a call on your iphone. [step] You'll see the option to respond with a text message when you get an incoming call. [title] Tap the message button on the incoming call screen.

Ending1: [step] This will select a contact from the choices to your left. [title] Tap the off button to disconnect from the call, and your iphone will launch a message or chat screen. Ending2: [step] This button looks like an icon that resembles a phone receiver. Tapping on it will launch an sms message window. Ending3: [step] This looks like a message bubble, and can be found on the right side of the screen, above the slide to answer or accept button. [title] Tap one of the preconfigured messages. Ending4: [step] It's at the bottom of the screen. You can even swipe down to find the call form by tapping the gear icon on the bottom of the screen.

Answer format: ending1/ending2/ending3/ending4