A paragraph can be controversial.Logical formLearned from33 sentences. An office can be controversial.Logical formLearned from33 sentences. Efforts can be controversial.Logical formLearned from33 sentences. A professor can be controversial.Logical formLearned from33 sentences. A post-sept. can be controversial.Logical formLearned from33 sentences. A slugger can be controversial.Logical formLearned from33 sentences. (Labor laws) can be controversial.Logical formLearned from33 sentences. A statement can be controversial.Logical formLearned from33 sentences. Concepts can be controversial.Logical formLearned from33 sentences. A (bridge project) can be controversial.Logical formLearned from33 sentences. A challenge can be controversial.Logical formLearned from33 sentences. (Refereeing decisions) can be controversial.Logical formLearned from33 sentences. A substance can be controversial.Logical formLearned from33 sentences. An aircraft can be controversial.Logical formLearned from33 sentences. An expulsion can be controversial.Logical formLearned from33 sentences.