Should our intellectuals come forward and teach the truth to power as Jacobs did, and bravely assume the social responsibility of intellectuals? What can't be inferred from this passage? ['Jacobs is a man who stepped forward to teach the truth to power.', 'Jacobs is a man who bravely assumes the social responsibility of intellectuals.', 'Our intellectuals cannot take social responsibility.', 'Our intellectuals lack the courage to take corresponding social responsibility.']