A property can be difficult.Logical formLearned from13 sentences. A destination can be difficult.Logical formLearned from13 sentences. Workouts can be difficult.Logical formLearned from13 sentences. Feedback can be difficult.Logical formLearned from13 sentences. A pleasure can be difficult.Logical formLearned from13 sentences. A (management challenge) can be difficult.Logical formLearned from13 sentences. Adoptions can be difficult.Logical formLearned from13 sentences. Uniformity can be difficult.Logical formLearned from13 sentences. Comparisons can be difficult.Logical formLearned from13 sentences. A hole can be difficult.Logical formLearned from13 sentences. (Collection cases) can be difficult.Logical formLearned from13 sentences. (Union organizing) can be difficult.Logical formLearned from13 sentences. Ownership can be difficult.Logical formLearned from13 sentences. A (confirmation fight) can be difficult.Logical formLearned from13 sentences. A contract can be difficult.Logical formLearned from13 sentences.