Problem: Does "It was later determined that SV40 was present as a contaminant in polio vaccine lots that had been administered to 90% of the children in the United States." answer the question "In what year was the polio vaccine created?"

A: no

Problem: Does "Soon, federal soldiers were dispensed to Charleston's forts, and five United States Coast Guard cutters were detached to Charleston Harbor "to take possession of any vessel arriving from a foreign port, and defend her against any attempt to dispossess the Customs Officers of her custody until all the requirements of law have been complied with." answer the question "After South Carolina passed an ordinance of nullification, who was sent to Charleston Harbor?"

A: yes

Problem: Does "On one hand, this means that the Belgian political landscape, generally speaking, consists of only two components: the Dutch-speaking population represented by Dutch-language political parties, and the majority populations of Wallonia and Brussels, represented by their French-speaking parties." answer the question "What are the two components in the Belgian political landscape?"

A:
yes