Problem: Does "The Moorish mosque, which had been converted into a Christian Church by the conqueror, was deemed unworthy of the title of the cathedral of Valencia, and in 1262 Bishop Andres de Albalat laid the cornerstone of the new Gothic building, with three naves; these reach only to the choir of the present building." answer the question "What was the Cathedral's name from early in the Reconquista?"

A: no

Problem: Does "The bitumen content varies from 83% to 92% (soluble in carbon disulphide), with a penetration value near to zero and a softening point (ring & ball) around 120 C." answer the question "What is the variance in bitumen content rock asphalt?"

A: yes

Problem: Does "However the longest continuously-singing group is probably The Whiffenpoofs of Yale University, which was formed in 1909 and once included Cole Porter as a member." answer the question "What well-known musician was once part of the college a capella group The Counterparts?"

A:
no