Integration can be difficult.Logical formLearned from89 sentences. A deal can be difficult.Logical formLearned from89 sentences. A game can be difficult.Logical formLearned from89 sentences. Political issues can be difficult.Logical formLearned from88 sentences. Development can be difficult.Logical formLearned from88 sentences. A profession can be difficult.Logical formLearned from88 sentences. A day can be difficult.Logical formLearned from88 sentences. Procedures can be difficult.Logical formLearned from88 sentences. A trail can be difficult.Logical formLearned from87 sentences. An affair can be difficult.Logical formLearned from87 sentences. Some weeks can be difficult.Logical formLearned from87 sentences. Prosecution can be difficult.Logical formLearned from87 sentences. A quarter can be difficult.Logical formLearned from87 sentences. A portion can be difficult.Logical formLearned from86 sentences. Cases can be difficult.Logical formLearned from86 sentences.