An eco-tourism can be rugged.Logical formLearned from8 sentences. A dog can be rugged.Logical formLearned from8 sentences. A star can be rugged.Logical formLearned from8 sentences. An outdoorsmen can be rugged.Logical formLearned from8 sentences. A cop can be rugged.Logical formLearned from8 sentences. A big-game hunter can be rugged.Logical formLearned from8 sentences. (Mountain vistas) can be rugged.Logical formLearned from8 sentences. A box can be rugged.Logical formLearned from8 sentences. A woman can be rugged.Logical formLearned from8 sentences. An integrity can be rugged.Logical formLearned from8 sentences. A personality can be rugged.Logical formLearned from8 sentences. A granite can be rugged.Logical formLearned from8 sentences. A pioneer can be rugged.Logical formLearned from8 sentences. A companion can be rugged.Logical formLearned from8 sentences. A chaparral can be rugged.Logical formLearned from8 sentences.