Papers can be on topics.Logical formLearned from342 sentences. A topic can be timely.Logical formLearned from341 sentences. A set can be constituted-of-or-filled-with topics.Logical formLearned from340 sentences. A person can be interested in a topic.Logical formLearned from340 sentences. A series can be constituted-of-or-filled-with topics.Logical formLearned from334 sentences. A topic can be in a country.Logical formLearned from326 sentences. A topic may pertain-to a choosing.Logical formLearned from325 sentences. Essays can be on topics.Logical formLearned from322 sentences. Topics can be constituted-of-or-filled-with importance.Logical formLearned from319 sentences. A topic can be constituted-of-or-filled-with research.Logical formLearned from318 sentences. Topics can be varied.Logical formLearned from315 sentences. Topics can be varied.Logical formLearned from312 sentences. A topic may undergo a treatment.Logical formLearned from310 sentences. Topics can be international.Logical formLearned from309 sentences. A topic can be assigned.Logical formLearned from308 sentences.