Liu Ping is studying Chinese as a foreign language, Wang Na is studying Chinese as a major, and those who have studied Chinese as a foreign language has studied courses on Chinese, and those who have studied Chinese have studied ancient Chinese. From this, we know? ['Liu Ping may not have studied ancient Chinese.', 'Wang Na has studied Chinese as a Foreign Language.', 'Liu Ping is not in a comprehensive university.', 'Wang Na may be in a comprehensive university.']