An offer can be difficult.Logical formLearned from11 sentences. A (chip shot) can be difficult.Logical formLearned from11 sentences. A search may be made difficult by walls.Logical formLearned from11 sentences. Rural areas can be difficult.Logical formLearned from11 sentences. Sponsorship can be difficult.Logical formLearned from11 sentences. A (bar exam) can be difficult.Logical formLearned from11 sentences. Abstinence can be difficult.Logical formLearned from11 sentences. A mood can be difficult.Logical formLearned from11 sentences. A formation can be difficult.Logical formLearned from11 sentences. Policings can be difficult.Logical formLearned from11 sentences. An initiation can be difficult.Logical formLearned from11 sentences. Foursomes can be difficult.Logical formLearned from11 sentences. Talks may prove difficult.Logical formLearned from11 sentences. An eighth can be difficult.Logical formLearned from11 sentences. A driving can be difficult.Logical formLearned from11 sentences.