Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to contact puerto rico [title] Use internet messaging apps to make contact. [step] While the phone lines are usually down after a natural disaster, intermittent internet access may be available. You'll have more luck contacting someone in puerto rico through one of these apps than by a standard text message or phone call.

Ending1: The most popular and commonly used apps include : [substeps] Lexisnexis voihim viskype viamanoid [title] Call the number. [step] Make sure you have a valid contact with a regular telephone number. Ending2: [substeps] For instance, try whatsapp or facebook messenger to contact your friends or family in puerto rico. [title] Find social media groups dedicated to the current disaster. Ending3: In most cases, the number you dial will be set to vibrate when you answer the phone, so a private and anonymous messaging app will work best. [substeps] For example, most cell phones have wi-fi and have internet access, which gives you the ability to text people via sms. Ending4: [substeps] You can find free these apps in the app store. [title] Have someone talk to you in puerto rico.

Answer format: ending1/ending2/ending3/ending4