A program can be arduous.Logical formLearned from4 sentences. An afternoon can be arduous.Logical formLearned from4 sentences. An arduous march can be to (interest rates).Logical formLearned from4 sentences. A nationwide tour can be arduous.Logical formLearned from4 sentences. A task of curbing corruption may remain arduous.Logical formLearned from3 sentences. A reform can be arduous.Logical formLearned from3 sentences. A task to (control pollution) can be arduous.Logical formLearned from3 sentences. Discussions can be arduous.Logical formLearned from3 sentences. Pioneerings can be arduous.Logical formLearned from3 sentences. A workload can be arduous.Logical formLearned from3 sentences. (Peace negotiations) can be arduous.Logical formLearned from3 sentences. An observance can be arduous.Logical formLearned from3 sentences. A country can be arduous.Logical formLearned from3 sentences. A legacy can be arduous.Logical formLearned from3 sentences. A rite can be arduous.Logical formLearned from3 sentences.