Does the sentence "However, some airports now regulate costs to keep them comparable to "street prices"." provide a valid answer to the question "Are prices at these outlets generally higher or lower than street prices?"

A: no

Does the sentence "Ye Zhiping, the principal of Sangzao Middle School in Sangzao, one of the largest in An County, has been credited with proactive action that spared the lives of all 2,323 pupils in attendance when the earthquake happened." provide a valid answer to the question "How many students attended the school?"

A: yes

Does the sentence "Rossabi and others describe a similar arrangement made by Kublai Khan and the Sakya Phagpa lama, writing that Kublai would "sit on a lower platform than the Tibetan cleric" when receiving religious instructions from him." provide a valid answer to the question "Who showed a great amount of respect to Deshin Shekpa?"

A: no

Does the sentence "Gold continued to be minted until the end of the 7th century, when it was replaced by silver coins." provide a valid answer to the question "During what century did gold coinage cease?"

A:
yes