Problem: Does "There is interest in the relationship between vitamin D and pain, but the evidence so far from controlled trials for such a relationship, other than in osteomalacia, is unconvincing." answer the question "Other than in osteomalacia, what is there no evidence of a relationship between pain and?"

A: yes

Problem: Does "The early persecuted Muslims fled to various places in the region, including the city of Zeila in modern-day northern Somalia, so as to seek protection from the Quraysh." answer the question "In what geographic part of Somalia is Zeila located?"

A: yes

Problem: Does "Isotopic studies attribute the oil deposits to be about 110 million years old." answer the question "What formative period produced bitumen?"

A:
no