Does "Thus, glass-ceramics have become extremely useful for countertop cooking." contain the correct answer to "What ingredients give glass-ceramics its useful heat tolerance?"
OPTIONS:
- yes
- no

A: no

Does "Shih-Shan Henry Tsai writes that the Yongle Emperor sent his eunuch Yang Sanbao into Tibet in 1413 to gain the allegiance of various Tibetan princes, while the Yongle Emperor paid a small fortune in return gifts for tributes in order to maintain the loyalty of neighboring vassal states such as Nepal and Tibet." contain the correct answer to "Why did Yongle Emperor send Yang Sanbao into Tibet?"
OPTIONS:
- yes
- no

A: yes

Does "Currently, everyone who writes in Valencian uses this standard, except the Royal Academy of Valencian Culture (Academia de Cultura Valenciana, RACV), which uses for Valencian an independent standard." contain the correct answer to "Over what does the AVL make rules governing?"
OPTIONS:
- yes
- no

A:
no