Variety can be constituted-of-or-filled-with (research topics).Logical formLearned from99 sentences. A presentation can be on a topic.Logical formLearned from99 sentences. A topic can be charged.Logical formLearned from99 sentences. A topic can be specified.Logical formLearned from99 sentences. A study can be constituted-of-or-filled-with topics.Logical formLearned from99 sentences. Interest can be in a topic.Logical formLearned from99 sentences. A topic can be broad.Logical formLearned from98 sentences. Topics can be regional.Logical formLearned from98 sentences. Topics may include techniques.Logical formLearned from98 sentences. A topic may pertain-to a weekday.Logical formLearned from98 sentences. Topics may pertain-to a course.Logical formLearned from98 sentences. Someone can be interested in a topic.Logical formLearned from98 sentences. Opinions can be on topics.Logical formLearned from97 sentences. Literature can be on a topic.Logical formLearned from97 sentences. Relation can be to a topic.Logical formLearned from97 sentences.