A (water flow) can be sustained.Logical formLearned from2 sentences. (Attention deficits) can be sustained.Logical formLearned from2 sentences. A pacing can be sustained.Logical formLearned from2 sentences. A product can be sustained.Logical formLearned from2 sentences. A morphine can be sustained.Logical formLearned from2 sentences. A (multicomponent program) can be sustained.Logical formLearned from2 sentences. A switch can be sustained.Logical formLearned from2 sentences. A (drug abstinence) can be sustained.Logical formLearned from2 sentences. A (societal functioning) can be sustained.Logical formLearned from2 sentences. (Theater arts) can be sustained.Logical formLearned from2 sentences. (Peak hour loads) can be sustained.Logical formLearned from2 sentences. A spring can be sustained.Logical formLearned from2 sentences. A philanthropy can be sustained.Logical formLearned from2 sentences. A (dissemination program) can be sustained.Logical formLearned from2 sentences. A (force projection) can be sustained.Logical formLearned from2 sentences.