Topics may be introduced.Logical formLearned from117 sentences. Knowledge may pertain-to a topic.Logical formLearned from117 sentences. Stories can be on a topic.Logical formLearned from117 sentences. Topics can be useful.Logical formLearned from117 sentences. A topic may be chosen.Logical formLearned from117 sentences. Information can be about topics.Logical formLearned from116 sentences. An overview may pertain-to topics.Logical formLearned from116 sentences. A topic may undergo an investigation.Logical formLearned from116 sentences. Questions can be about a topic.Logical formLearned from115 sentences. A topic may pertain-to a talk.Logical formLearned from115 sentences. Topics can be heavy.Logical formLearned from115 sentences. An essay can be on a topic.Logical formLearned from115 sentences. Articles can be about topics.Logical formLearned from114 sentences. Topics can be focused.Logical formLearned from114 sentences. Speakers can be on topics.Logical formLearned from114 sentences.