Does the sentence "Additionally, the Government of Canada honored Bell in 1997 with a C$100 gold coin, in tribute also to the 150th anniversary of his birth, and with a silver dollar coin in 2009 in honor of the 100th anniversary of flight in Canada." provide a valid answer to the question "What form of currency did Canada issue to celebrate Bell in 1997?"

A: yes

Does the sentence "It was either a small republic, in which case his father was an elected chieftain, or an oligarchy, in which case his father was an oligarch." provide a valid answer to the question "If Siddhartha lived in a small republic, his father would have been a what?"

A: yes

Does the sentence "Land management became the primary occupation of the aristocracy, not so much because direct control by the imperial family or central government had declined but more from strong family solidarity and a lack of a sense of Japan as a single nation." provide a valid answer to the question "What became the aristocracy's primary occupation?"

A: yes

Does the sentence "In addition, social conditions have changed and many multiracial people do not believe it is socially advantageous to try to "pass" as white." provide a valid answer to the question "What was it once considered socially advantageous to do?"

A:
yes