A (clamshell phone) can be rugged.Logical formLearned from6 sentences. ..s can be rugged.Logical formLearned from6 sentences. A smartphone can be rugged.Logical formLearned from6 sentences. A paradise can be rugged.Logical formLearned from6 sentences. A mobile device can be rugged.Logical formLearned from6 sentences. Sandals can be rugged.Logical formLearned from6 sentences. (Work boots) can be rugged.Logical formLearned from6 sentences. A necessity can be rugged.Logical formLearned from6 sentences. A western region can be rugged.Logical formLearned from6 sentences. A scotsman can be rugged.Logical formLearned from6 sentences. An exterior can be rugged.Logical formLearned from6 sentences. Caves can be rugged.Logical formLearned from6 sentences. A high country can be rugged.Logical formLearned from6 sentences. Jobs can be rugged.Logical formLearned from6 sentences. An off-road vehicle can be rugged.Logical formLearned from6 sentences.