Marchings can be arduous.Logical formLearned from3 sentences. Trips can be arduous.Logical formLearned from3 sentences. A transformation can be arduous.Logical formLearned from3 sentences. A requirement can be arduous.Logical formLearned from3 sentences. Nights can be arduous.Logical formLearned from3 sentences. Feats can be arduous.Logical formLearned from3 sentences. A (permit process) can be arduous.Logical formLearned from3 sentences. A physical activity can be arduous.Logical formLearned from3 sentences. (Training sessions) can be arduous.Logical formLearned from3 sentences. A penitence can be arduous.Logical formLearned from3 sentences. Periods can be arduous.Logical formLearned from3 sentences. An observance can be arduous.Logical formLearned from3 sentences. A testing can be arduous.Logical formLearned from3 sentences. Labor can be arduous.Logical formLearned from3 sentences. A problem can be arduous.Logical formLearned from3 sentences.