Problem: Does "In ancient times, in the first centuries after the birth of Christ, when this region was called[by whom?]" answer the question "What was the region of Eastern Europe called in 1 AD?"

A: no

Problem: Does "Meanwhile, with the advent and popularity of Internet-based distribution of files in lossily-compressed audio formats such as MP3, sales of CDs began to decline in the 2000s." answer the question "What has caused a decrease in CD sales?"

A: yes

Problem: Does "While these missionaries are predominantly from the United States, France, Italy, and Spain, many are also from Nigeria, the Democratic Republic of the Congo, and other African countries." answer the question "When did fighting break out in CAR?"

A:
no