A theory can be valid.Logical formLearned from178 sentences. A theory can be held.Logical formLearned from178 sentences. A theory may assume that something-is-the-case.Logical formLearned from177 sentences. A male may develop a theory.Logical formLearned from174 sentences. A theory may suggest that something-is-the-case.Logical formLearned from174 sentences. A theory can be established.Logical formLearned from172 sentences. A theory can be prevalent.Logical formLearned from170 sentences. A theory can be a theory.Logical formLearned from166 sentences. Evidence can be for a theory.Logical formLearned from165 sentences. A theory may pertain-to a us-state.Logical formLearned from165 sentences. (Conspiracy theories) may pertain-to a male.Logical formLearned from164 sentences. A person may float a theory.Logical formLearned from164 sentences. A theory may state that something-is-the-case.Logical formLearned from164 sentences. A basis may pertain-to a theory.Logical formLearned from163 sentences. Theories can be speculative.Logical formLearned from163 sentences.