(Granite cliffs) can be dark.Logical formLearned from6 sentences. A sequence can be constituted-of-or-filled-with cliffs.Logical formLearned from6 sentences. A turn may pertain-to a cliff.Logical formLearned from6 sentences. Cliffs can be constituted-of-or-filled-with granite.Logical formLearned from6 sentences. (Sandstone cliffs) can be vertical.Logical formLearned from6 sentences. A cliff may overlook a valley.Logical formLearned from6 sentences. Cliffs can be formidable.Logical formLearned from6 sentences. A man can be on a cliff.Logical formLearned from6 sentences. A cliff can be inaccessible.Logical formLearned from6 sentences. A maze can be constituted-of-or-filled-with cliffs.Logical formLearned from6 sentences. A cliff can be bare.Logical formLearned from6 sentences. Persons may see cliffs.Logical formLearned from6 sentences. A rim may pertain-to a cliff.Logical formLearned from6 sentences. A cliff can be brown.Logical formLearned from6 sentences. Crevices can be constituted-of-or-filled-with cliffs.Logical formLearned from6 sentences.