An opening can be difficult.Logical formLearned from17 sentences. A function can be difficult.Logical formLearned from17 sentences. An arrangement can be difficult.Logical formLearned from17 sentences. A championship can be difficult.Logical formLearned from17 sentences. A debut can be difficult.Logical formLearned from17 sentences. A race can be difficult.Logical formLearned from17 sentences. (Business conditions) may remain difficult.Logical formLearned from17 sentences. A merger can be difficult.Logical formLearned from17 sentences. Compromises can be difficult.Logical formLearned from17 sentences. A header can be difficult.Logical formLearned from16 sentences. A withdrawal can be difficult.Logical formLearned from16 sentences. Forms can be difficult.Logical formLearned from16 sentences. Records can be difficult.Logical formLearned from16 sentences. Interception can be difficult.Logical formLearned from16 sentences. A weapon can be difficult.Logical formLearned from16 sentences.