A person may have a theory.Logical formLearned from521 sentences. A theory may pertain-to a case.Logical formLearned from520 sentences. Theories can be physical.Logical formLearned from511 sentences. A theory may state that something-is-the-case.Logical formLearned from483 sentences. A theory can be constituted-of-or-filled-with gravity.Logical formLearned from470 sentences. A theory can be true.Logical formLearned from462 sentences. A theory can be simple.Logical formLearned from456 sentences. A theory can be comprehensive.Logical formLearned from451 sentences. A male may have a theory.Logical formLearned from434 sentences. A theory may undergo a development.Logical formLearned from422 sentences. Theories can be mathematical.Logical formLearned from421 sentences. Theories may abound.Logical formLearned from387 sentences. Theories can be evolutionary.Logical formLearned from383 sentences. A theory may undergo an application.Logical formLearned from379 sentences. Variety can be constituted-of-or-filled-with theories.Logical formLearned from378 sentences.