A river may undergo a damming.Logical formLearned from370 sentences. A river may run.Logical formLearned from367 sentences. A formation may pertain-to a river.Logical formLearned from366 sentences. Headwaters may pertain-to a river.Logical formLearned from364 sentences. A river can be shallow.Logical formLearned from356 sentences. A lagoon may pertain-to a river.Logical formLearned from350 sentences. A level may pertain-to a river.Logical formLearned from349 sentences. A gorge may pertain-to a river.Logical formLearned from347 sentences. Countries may pertain-to a river.Logical formLearned from345 sentences. Rivers can be in a country.Logical formLearned from343 sentences. A junction may pertain-to a river.Logical formLearned from342 sentences. Natural habitats can be rivers.Logical formLearned from341 sentences. A west may pertain-to a river.Logical formLearned from339 sentences. A view may show a river.Logical formLearned from339 sentences. A river can be in a world-city.Logical formLearned from337 sentences.