Problem: Does "By killing the Incan ruler Huayna Capac, smallpox caused the Inca Civil War." answer the question "How did smallpox cause the Inca Civil War?"

A: yes

Problem: Does "When World War II started, tonnage levels at the port decreased and shipping activities were suspended; however, the war did provide economic benefits for the city." answer the question "Petrochemical refineries and manufacturing plants were built due to the demand for what items during the war?"

A: no

Problem: Does "Civil strife in the early 1990s greatly increased the size of the Somali diaspora, as many of the best educated Somalis left for the Middle East, Europe and North America." answer the question "As of 2006, where did Somalis rank in terms of population by ethnicity in Canada?"

A:
no