Q: Does "The product was formulated in diethylene glycol, a highly toxic solvent that is now widely used as antifreeze." provide a valid answer to "What is Diethylene Glycol commonly used for now?"?
A: yes

Q: Does "(The Templo Mayor was discovered in 1978 while workers were digging to place underground electric cables)." provide a valid answer to "When was the Templo Mayor found?"?
A: yes

Q: Does "In any known profit-driven economy, health considerations are hardly a priority; effective production of cheap foods with a long shelf-life is more the trend." provide a valid answer to "What is perceived as the general priority of the food processing industry in this sort of economy?"?
A: yes

Q: Does "At the China High-Tech Fair ELEXCON of November 2009 in Shenzhen, a BeiDou terminal priced at CN3,000RMB was presented." provide a valid answer to "What was presented at the ELEXCON fair in 2009?"?
A:
yes