مصر   نقل الناشط المحتجز المضرب عن الطعام محمد سلطان للعناية المركزة     طالبوا بالإفراج عنة   http      bit  ly  1tzKir6
Identify the main topic of the news article and categorize it as either spiritual, human-rights-press-freedom, business-and-economy, sports, science-and-technology, education, environment, health, art-and-entertainment, or politics. Return only the label without any explanation, justification or additional text.