question:
On November 25, 1988, a military commandant took control of Yerevan as the Soviet government moved to prevent further ethnic violence.
Who took charge of Yerevan in November of 1988?

answer: yes

question:
and has conducted several research studies in order to find methods of combating fatigue in pilots.
Whose work habits and environment prevents them from maintaining a regular sleep pattern?

answer: no

question:
Post-regal politics dispersed the civil and religious authority of the kings more or less equitably among the patrician elite: kingship was replaced by two annually elected consular offices.
Where was the basic power in Rome to be found?

answer: yes

question:
Some 355 copper alloys were proven to kill more than 99.9% of disease-causing bacteria within just two hours when cleaned regularly.
What disease do hospitals hope to prevent by installing copper doornobs?

answer:
no