Task: Text Categorization
Input (English): This thinker responded to the idea that the title group must give up their identity for political freedom in On the Jewish Question. He wrote a thorough critique of Hegel's Elements of the Philosophy of Right. This man worked on a treatise that criticized the title system for exploitation of the labor market. Another work cowritten by this thinker described the ideal triumph of the (*) proletariat over the bourgeoisie. For 10 points, name this German philosopher who with Friedrich Engels wrote Das Kapital and The Communist Manifesto.
Output (English): Social Science