Problem: Does "The first real progress toward a modern understanding of nervous function, though, came from the investigations of Luigi Galvani, who discovered that a shock of static electricity applied to an exposed nerve of a dead frog could cause its leg to contract." answer the question "The tool that was invented to stain only a small fractions of neurons was called what?"

A: no

Problem: Does "The later part of the 19th century saw the exploitation of the Earth's petrochemicals, after the exhaustion of the oil supply from whaling." answer the question "Late 19th century is marked by what event?"

A: yes

Problem: Does "Pergamum broke away under Eumenes I who defeated a Seleucid army sent against him." answer the question "Pergamum was led by whom when they defeated a Seleucid army?"

A:
yes