A valve can be open.Logical formLearned from63 sentences. A series can be constituted-of-or-filled-with valves.Logical formLearned from60 sentences. A valve may open.Logical formLearned from59 sentences. A valve can be closed.Logical formLearned from58 sentences. Valves may open.Logical formLearned from58 sentences. Steam may pertain-to valve.Logical formLearned from57 sentences. Valves can be artificial.Logical formLearned from56 sentences. A valve can be closed.Logical formLearned from54 sentences. Valves can be flush.Logical formLearned from54 sentences. A valve can be defective.Logical formLearned from53 sentences. A (steam service) may pertain-to valve.Logical formLearned from53 sentences. Valves may undergo a use.Logical formLearned from52 sentences. Valves may undergo a palpitation.Logical formLearned from52 sentences. A valve can be broken.Logical formLearned from52 sentences. (Heart valves) can be leaky.Logical formLearned from52 sentences.