Does "The museum was established by Manolita Pina Torres, the widow of Torres Garcia, after his death in 1949." contain the correct answer to "Manolita Pina Torres was the widow of who?"

A: yes

Does "By the time he realized what kind of a force he was opposing, it was too late." contain the correct answer to "What was a key factor in Frossard's disasterous retreat to the south?"

A: no

Does "So many Han defected to the Qing and swelled the ranks of the Eight Banners that ethnic Manchus became a minority, making up only 16% in 1648, with Han Bannermen dominating at 75% and Mongol Bannermen making up the rest." contain the correct answer to "Who besides the Manchus and the Han made up the Eight Banners?"

A:
yes