std::vector<std::pair<std::string, std::string>> greetings = {
{"English", "Hello, World"},
{"French", "Bonjour le monde"},
{"Spanish", "Hola, Mundo"},
{"Russian", "Привет, мир"},
{"Chinese", "你好，世界"},
{"Arabic", "مرحبا بالعالم"},
{"Hindi", "नमस्ते दुनिया"}
};