Blocks can be sustained.Logical formLearned from4 sentences. A sweep can be sustained.Logical formLearned from4 sentences. Minutes can be sustained.Logical formLearned from4 sentences. A chant can be sustained.Logical formLearned from4 sentences. A role can be sustained.Logical formLearned from4 sentences. An oppression can be sustained.Logical formLearned from4 sentences. A brightness can be sustained.Logical formLearned from4 sentences. A (guitar chord) can be sustained.Logical formLearned from4 sentences. A labor can be sustained.Logical formLearned from4 sentences. A (slave uprising) can be sustained.Logical formLearned from4 sentences. Positions can be sustained.Logical formLearned from4 sentences. A depiction can be sustained.Logical formLearned from4 sentences. A laugh can be sustained.Logical formLearned from4 sentences. An upside can be sustained.Logical formLearned from4 sentences. Electrical discharges can be sustained.Logical formLearned from4 sentences.