A cliff can be sharp.Logical formLearned from32 sentences. The economy may fall off a cliff.Logical formLearned from32 sentences. (Sandstone cliffs) can be red.Logical formLearned from31 sentences. A cliff can be dark.Logical formLearned from31 sentences. A cliff can be craggy.Logical formLearned from31 sentences. Cliffs can be exposed.Logical formLearned from30 sentences. A landscape can be constituted-of-or-filled-with cliffs.Logical formLearned from30 sentences. Cliffs can be magnificent.Logical formLearned from30 sentences. Cliffs can be famous.Logical formLearned from29 sentences. Cliff may jump.Logical formLearned from28 sentences. Cliffs can be dark.Logical formLearned from28 sentences. A person can be on an edge of a cliff.Logical formLearned from27 sentences. Cliffs can be green.Logical formLearned from27 sentences. A guy may hang on an edge of a cliff.Logical formLearned from27 sentences. Some statues may be carven into a cliff.Logical formLearned from27 sentences.