Problem: Does "Upon their arrival home, they convinced Vladimir that the faith of the Byzantine Rite was the best choice of all, upon which Vladimir made a journey to Constantinople and arranged to marry Princess Anna, the sister of Byzantine emperor Basil II." answer the question "Who did Vladimir marry that was the sister of the Byzantine emperor?"

A: yes

Problem: Does "The city contains 157 municipal parks ranging from small neighborhood green spots to large recreation areas." answer the question "How many parks are there in the city of Ann Arbor?"

A: yes

Problem: Does "They recognised that those depending upon another and longing for independence will not be emancipated because they still depend upon something other than themselves." answer the question "When did Lakulish systematize the Pasupata Shaivism?"

A:
no