A rock can be dead.Logical formLearned from42 sentences. Rocks can be old.Logical formLearned from42 sentences. A mass can be constituted-of-or-filled-with rocks.Logical formLearned from42 sentences. Rocks can be tall.Logical formLearned from42 sentences. Rocks can be treacherous.Logical formLearned from42 sentences. A (rock band) can be underground.Logical formLearned from42 sentences. A rock may climb wall.Logical formLearned from42 sentences. Persons may have rocks.Logical formLearned from42 sentences. Acts may pertain-to rock.Logical formLearned from42 sentences. A male may find a rock.Logical formLearned from42 sentences. A game can be constituted-of-or-filled-with rock.Logical formLearned from42 sentences. Rocks can be naked.Logical formLearned from42 sentences. A rock can be icy.Logical formLearned from42 sentences. A rock can be craggy.Logical formLearned from42 sentences. A jumble can be constituted-of-or-filled-with rocks.Logical formLearned from42 sentences.