Q: Does "When auto-changing turntables were commonplace, records were typically pressed with a raised (or ridged) outer edge and a raised label area, allowing records to be stacked onto each other without the delicate grooves coming into contact, reducing the risk of damage." provide a valid answer to "Do grooves on records touch when stacked?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Political parties, still called factions by some, especially those in the governmental apparatus, are lobbied vigorously by organizations, businesses and special interest groups such as trade unions." provide a valid answer to "What are political parties lobbied by?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "The rebellion of fellow Armenians in Nagorno-Karabakh had an immediate effect in Armenia itself." provide a valid answer to "What is the capitol of Armenia?"?
OPTIONS:
- yes
- no
A: no

Q: Does "In 1906, the tungsten filament was introduced." provide a valid answer to "When was the tungsten filament introduced?"?
OPTIONS:
- yes
- no
A:
yes