An elevation may pertain-to a river.Logical formLearned from9 sentences. A river can be at an elevation.Logical formLearned from9 sentences. Elevations may have gullies.Logical formLearned from9 sentences. A lake can be at an elevation.Logical formLearned from9 sentences. Elevations may pertain-to a park.Logical formLearned from9 sentences. A limb may undergo an elevation.Logical formLearned from9 sentences. Classes may undergo an elevation.Logical formLearned from9 sentences. Peaks may undergo an elevation.Logical formLearned from9 sentences. A region may undergo elevations.Logical formLearned from9 sentences. Elevation can be higher.Logical formLearned from9 sentences. Elevations can be in (liver enzymes).Logical formLearned from9 sentences. (Plasma lithium levels) may undergo an elevation.Logical formLearned from9 sentences. A character may undergo an elevation.Logical formLearned from9 sentences. (Blood pressure) may undergo elevations.Logical formLearned from9 sentences. An elevation can be above a horizon.Logical formLearned from9 sentences.