Problem: Does "In the latter part of the second revolution, Thomas Alva Edison developed many devices that greatly influenced life around the world and is often credited with the creation of the first industrial research laboratory." answer the question "How many customers were supplied by Thomas Edison's electrical supply network?"

A: no

Problem: Does "With 39,000 acres (158 km2), the Tallgrass Prairie Preserve in north-central Oklahoma is the largest protected area of tallgrass prairie in the world and is part of an ecosystem that encompasses only 10 percent of its former land area, once covering 14 states." answer the question "How large is the Tallgrass Prairie Preserve?"

A: yes

Problem: Does "Domesticated chickens may have been used for cockfighting at first and quail kept for their songs, but soon it was realised how useful it was having a captive-bred source of food." answer the question "How long have humans used domsticated poultry ?"

A:
no