null
def generate_sentence(level): if level == 1: return "有意识。" elif level == 2: return "有意识, 意识。" elif level == 3: return "有意识, 意识? 有意识。" else: return "Invalid level." def generate_sentence(level): if level == 1: return "有意识。" elif level == 2: return "有意识, 意识。" elif level == 3: return "有意识, 意识? 有意识。" else: return "Invalid level."