(Fall sports) can be difficult.Logical formLearned from14 sentences. A leg can be difficult.Logical formLearned from14 sentences. A formula can be difficult.Logical formLearned from14 sentences. Businesses can be difficult.Logical formLearned from14 sentences. A person may get difficult.Logical formLearned from14 sentences. A legislature can be difficult.Logical formLearned from14 sentences. Exportings can be difficult.Logical formLearned from14 sentences. A collection can be difficult.Logical formLearned from14 sentences. A government can be difficult.Logical formLearned from14 sentences. A curriculum can be difficult.Logical formLearned from14 sentences. Structures can be difficult.Logical formLearned from14 sentences. A moral dilemma can be difficult.Logical formLearned from14 sentences. An implementation can be difficult.Logical formLearned from14 sentences. Emotions can be difficult.Logical formLearned from14 sentences. Means can be difficult.Logical formLearned from14 sentences.