A chain can be sustained.Logical formLearned from3 sentences. 5fps can be sustained.Logical formLearned from3 sentences. Curfews can be sustained.Logical formLearned from3 sentences. An (oil price increase) can be sustained.Logical formLearned from3 sentences. A descent can be sustained.Logical formLearned from3 sentences. Responses can be sustained.Logical formLearned from3 sentences. A (refresh cycle) can be sustained.Logical formLearned from3 sentences. A shouting can be sustained.Logical formLearned from3 sentences. (Standing ovations) can be sustained.Logical formLearned from3 sentences. (Research questions) can be sustained.Logical formLearned from3 sentences. An airlift can be sustained.Logical formLearned from3 sentences. A (norepinephrine outflow) can be sustained.Logical formLearned from3 sentences. (Fuel costs) can be sustained.Logical formLearned from3 sentences. A (winning streak) can be sustained.Logical formLearned from3 sentences. Numbers can be sustained.Logical formLearned from3 sentences.