Problem: Does "In 2010, sub-saharan Africa had the highest incidence rates of child labour, with several African nations witnessing over 50 percent of children aged 514 working." answer the question "What year did sub-saharan Africa have the highest rates of child labour?"

A: yes

Problem: Does "Lister's work was based on the important findings by French biologist Louis Pasteur." answer the question "Who did Joseph Lister base his work off of?"

A: yes

Problem: Does "However, the mandolin's modern popularity in country music can be directly traced to one man: Bill Monroe, the father of bluegrass music." answer the question "What family recorded an old-time music in 1924-1926?"

A:
no