A person may fall off a cliff.Logical formLearned from4 sentences. A fortress can be on a cliff.Logical formLearned from4 sentences. A cliff can be by fingernails.Logical formLearned from4 sentences. Cliffs can be constituted-of-or-filled-with red sandstone.Logical formLearned from4 sentences. Cliffs may crumble.Logical formLearned from4 sentences. A person may fall_off a cliff.Logical formLearned from4 sentences. Cliffs can be at some end.Logical formLearned from4 sentences. A road may edge_along cliffs.Logical formLearned from4 sentences. Some men may stand on a cliff.Logical formLearned from4 sentences. A cliff can be nutritional.Logical formLearned from4 sentences. Some islands may rise in (sheer cliffs).Logical formLearned from4 sentences. (Sheer cliffs) can be abrupt.Logical formLearned from4 sentences. Cliffs may be shrouded by mists.Logical formLearned from4 sentences. Cliffs can be above a (turquoise bay).Logical formLearned from4 sentences. A community can be constituted-of-or-filled-with cliffs.Logical formLearned from4 sentences.