Cliffs can be constituted-of-or-filled-with rocks.Logical formLearned from9 sentences. A cliff may fall.Logical formLearned from9 sentences. Cliffs can be multicolored.Logical formLearned from9 sentences. A crest may pertain-to a cliff.Logical formLearned from9 sentences. Cliffs may overlook a town.Logical formLearned from9 sentences. A cliff can be smooth.Logical formLearned from9 sentences. Parts may pertain-to a cliff.Logical formLearned from9 sentences. Locals may stand on a cliff.Logical formLearned from9 sentences. Dunes may wash_up against (cliff faces).Logical formLearned from9 sentences. A cliff can be with a rope.Logical formLearned from9 sentences. A car may plunge off a cliff.Logical formLearned from9 sentences. A cliff can be in mountains.Logical formLearned from9 sentences. A cliff can be isolated.Logical formLearned from9 sentences. Lemmings can be over a cliff.Logical formLearned from9 sentences. Cliffs may drop to a river.Logical formLearned from9 sentences.