Problem: Does "The printed circuit board industry defines heavy copper as layers exceeding three ounces of copper, or approximately 0.0042 inches (4.2 mils, 105 m) thick." answer the question "What's the minimum amount of copper a layer in a PCB can have to be considered "heavy copper"?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Marco Polo (13th century) refers to the major products of Persia, including cotton." answer the question "What 13th century explorer saw cotton in Persia?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Health care and emergency medical service in the city of Paris and its suburbs are provided by the Assistance publique - Hopitaux de Paris (AP-HP), a public hospital system that employs more than 90,000 people (including practitioners, support personnel, and administrators) in 44 hospitals." answer the question "How many patients visit the hospitals annually?" OPTIONS:
- yes
- no

A:
no