Anchor: Programs, in turn, take on too much new unproven content to meet their objectives and risks invariably increase.
Entailed: Programs' risks increase by taking on too much unverified content.
Contradiction: Risk is decreased for programs as they assimilate unproven content.
Contradiction: The Great Depression and World War II were insignificant. 
Contradiction: A man is assisting a woman on the street.
Contradiction: Eat the food the next day when you have crumbs in your beard
Contradiction: The groups wanted to make the risks more widely known and promote ways of combating them.