Does the sentence "Morning (2008) looked at high school biology textbooks during the 1952-2002 period and initially found a similar pattern with only 35% directly discussing race in the 198392 period from initially 92% doing so." provide a valid answer to the question "How many of the textbooks between 1983 and 1992 discussed race?"

A: yes

Does the sentence "whose general Ahmad ibn Ibrahim al-Ghazi (Ahmed Gurey) was the first commander to use cannon warfare on the continent during Adal's conquest of the Ethiopian Empire, and the Sultanate of the Geledi, whose military dominance forced governors of the Omani empire north of the city of Lamu to pay tribute to the Somali Sultan Ahmed Yusuf." provide a valid answer to the question "What state employed Abmad ibn Ibrahim al-Ghazi?"

A: no

Does the sentence "Perry used his superior firepower to force Japan to open its borders to trade." provide a valid answer to the question "What technology helped the downfall of samurai?"

A: no

Does the sentence "The celebration of Saint Valentine's Day is forbidden or strongly condemned in many Islamic countries, including Saudi Arabia, Pakistan and Iran." provide a valid answer to the question "In what kind of countries is the celebration of Valentine's day forbidden?"

A:
yes