Does "In 867 the Patriarch announced that the Rus' had accepted a bishop, and in 874 he speaks of an "Archbishop of the Rus'."" contain the correct answer to "What had Prince Rastislav requested?"
OPTIONS:
- yes
- no

A: no

Does "Knorr's presidency was also marked by an increasing use of explicit instructions guiding Witnesses in their lifestyle and conduct, and a greater use of congregational judicial procedures to enforce a strict moral code." contain the correct answer to "What was greater use of congregational judicial procedures used to enforce?"
OPTIONS:
- yes
- no

A: yes

Does "This innovative hydraulic system was composed of movable weirs which could be adjusted for high or low water flow according to the season, to either provide irrigation or prevent floods." contain the correct answer to "The Min River is a major tributary of what river?"
OPTIONS:
- yes
- no

A:
no