Problem: Does "In 1876 Lord Kelvin had already discussed the possible construction of such calculators, but he had been stymied by the limited output torque of the ball-and-disk integrators." answer the question "In the 1920s, who was the person who developed mechanical differential analyzers?"

A: no

Problem: Does "According to the United States Census Bureau, the city has a total area of 656.3 square miles (1,700 km2); this comprises 634.0 square miles (1,642 km2) of land and 22.3 square miles (58 km2) of water." answer the question "What is the square mile area of Houston?"

A: yes

Problem: Does "MDR-TB is defined as resistance to the two most effective first-line TB drugs: rifampicin and isoniazid." answer the question "If a person has TB that's resistant to rifampicin and isoniazid, which type of the disease do they have?"

A:
yes