Does the sentence "He also lucidly explained the use of zero as both a placeholder and a decimal digit, along with the Hindu-Arabic numeral system now used universally throughout the world." provide a valid answer to the question "What did Brahmagupta use the number zero for?"

A: yes

Does the sentence "The pogrom of Armenians in Baku in January 1990 forced almost all of the 200,000 Armenians in the Azerbaijani capital Baku to flee to Armenia." provide a valid answer to the question "Continued fighting transpired between the Armenians and Soviets in which city?"

A: no

Does the sentence "Strategies employed by O.W. Wilson included rotating officers from community to community to reduce their vulnerability to corruption, establishing of a non-partisan police board to help govern the police force, a strict merit system for promotions within the department, and an aggressive recruiting drive with higher police salaries to attract professionally qualified officers." provide a valid answer to the question "How did Wilson recruit more qualified police?"

A: yes

Does the sentence "The Native American name controversy is an ongoing dispute over the acceptable ways to refer to the indigenous peoples of the Americas and to broad subsets thereof, such as those living in a specific country or sharing certain cultural attributes." provide a valid answer to the question "What remains a controversy regarding how to refer to the indigenous peoples of the Americas?"

A:
yes