Problem: Does "In the Russian Korean Zone of Occupation, the Soviet Union established a Communist North Korean government led by Kim Il-sung." answer the question "Who led the Russian Koran Zone of Occupation?"

A: yes

Problem: Does "GE has a history of some of its activities giving rise to large-scale air and water pollution." answer the question "Based on year 2000 data, where is GE ranked among the largest corporate producers of air pollution in the US?"

A: no

Problem: Does "There is also the phenomenon of herd immunity which offers a measure of protection to those otherwise vulnerable people when a large enough proportion of the population has acquired immunity from certain infections." answer the question "What does herd immunity offer to vulnerable people when a large enough proportion of the population has acquired immunity?"

A:
yes