A (research program) can be sustained.Logical formLearned from18 sentences. A current can be sustained.Logical formLearned from18 sentences. A spread can be sustained.Logical formLearned from18 sentences. Shellings can be sustained.Logical formLearned from18 sentences. A (buying support) can be sustained.Logical formLearned from17 sentences. High notes can be sustained.Logical formLearned from17 sentences. An enforcement can be sustained.Logical formLearned from17 sentences. A state can be sustained.Logical formLearned from17 sentences. An availability can be sustained.Logical formLearned from17 sentences. Achievements can be sustained.Logical formLearned from17 sentences. Air can be sustained.Logical formLearned from17 sentences. An act can be sustained.Logical formLearned from17 sentences. A (bull market) can be sustained.Logical formLearned from17 sentences. A well-being can be sustained.Logical formLearned from17 sentences. A (track record) can be sustained.Logical formLearned from17 sentences.