Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to call vietnam [title] Dial your country's exit code. [step] When you want to call someone in vietnam and you're in a different country, the first thing you'll need to do is dial your country's exit code in order to get the call out of your country. These vary from country to country but many are 0-0 or 0-1-1.

Ending1: The exit code is usually 3-5 characters, similar to words in vietnamese. [substeps] Different countries have different exit codes and are referred to by different country's exit code. Ending2: Some countries have different exit codes for certain regions. For example, vietnam has an exit code of 4, while china has a exit code of 6, while india has a different exit code. Ending3: [substeps] Many resources provide you with a list of exit codes based on the country where you live. If you don't know the country code for vietnam, you can use a search engine to search for the country code. Ending4: For example, the exit code for the united states is 0-1-1. [title] Enter 8-4 to connect to vietnam.

Answer format: ending1/ending2/ending3/ending4