A controversy may flare.Logical formLearned from34 sentences. A controversy may stifle medical research.Logical formLearned from34 sentences. A controversy can be ugly.Logical formLearned from34 sentences. A reason can be for a controversy.Logical formLearned from34 sentences. A controversy may be heat_uped.Logical formLearned from34 sentences. A person can be at a center of a controversy.Logical formLearned from34 sentences. Controversy can be over a country.Logical formLearned from34 sentences. An (election controversy) may pertain-to a us-state.Logical formLearned from34 sentences. A touch can be constituted-of-or-filled-with controversy.Logical formLearned from34 sentences. An element can be constituted-of-or-filled-with controversy.Logical formLearned from34 sentences. Controversy may begin.Logical formLearned from33 sentences. Sources can be constituted-of-or-filled-with controversy.Logical formLearned from33 sentences. A move may spark controversy.Logical formLearned from33 sentences. A controversy can be in a case.Logical formLearned from33 sentences. Persons may have a controversy.Logical formLearned from33 sentences.