Problem: Does "The current US fleet of Nimitz-class carriers will be followed into service (and in some cases replaced) by the ten-ship Gerald R. Ford class." answer the question "How much does the Gerald R. Ford-class carrier weigh?"

A: no

Problem: Does "Zinc deficiency affects about two billion people in the developing world and is associated with many diseases." answer the question "How many people are affected by zinc deficiency?"

A: yes

Problem: Does "It was adapted into an Oscar-winning film in 1962 by director Robert Mulligan, with a screenplay by Horton Foote." answer the question "Who directed the 1962 film?"

A:
yes