(Relief efforts) can be difficult.Logical formLearned from13 sentences. Rhythms can be difficult.Logical formLearned from13 sentences. A provision can be difficult.Logical formLearned from13 sentences. (Diplomatic initiatives) can be difficult.Logical formLearned from13 sentences. Regulations can be difficult.Logical formLearned from13 sentences. (Credit conditions) may remain difficult.Logical formLearned from13 sentences. (Aid delivery) can be difficult.Logical formLearned from13 sentences. A regime can be difficult.Logical formLearned from13 sentences. Conservation can be difficult.Logical formLearned from13 sentences. Commitments can be difficult.Logical formLearned from13 sentences. Violence can be difficult.Logical formLearned from13 sentences. A demand can be difficult.Logical formLearned from13 sentences. Access may remain difficult.Logical formLearned from13 sentences. Inspection can be difficult.Logical formLearned from13 sentences. An (identification process) can be difficult.Logical formLearned from13 sentences.