Problem: Does "The other end contains an exposed phosphate group; this is the 5' end." answer the question "What is known as the 3' end?"

A: no

Problem: Does "In the late 1820s, the parts of historic Armenia under Iranian control centering on Yerevan and Lake Sevan (all of Eastern Armenia) were incorporated into the Russian Empire following Iran's forced ceding of the territories after its loss in the Russo-Persian War (1826-1828) and the outcoming Treaty of Turkmenchay." answer the question "When did the Russo-Persian War begin?"

A: yes

Problem: Does "The Somali Muslim Ajuran Empire, allied with the Ottomans, defied the Portuguese economic monopoly in the Indian Ocean by employing a new coinage which followed the Ottoman pattern, thus proclaiming an attitude of economic independence in regard to the Portuguese." answer the question "What did the Portuguese discover in 1488?"

A:
no