Problem: Does "Their father had owned an antique company in Houndsditch, London, which expanded in 1833 to import and sell sea-shells, after which the company "Shell" took its name." answer the question "The Royal Dutch Shell Group was created through the merger of which two rival companies?"

A: no

Problem: Does "Nowadays it is played mainly as a solo instrument in personal and family events on the Ionian islands and Crete." answer the question "When did the mandolin appears on Crete?"

A: no

Problem: Does "Isambard Kingdom Brunel, the British engineer and railway builder, introduced the idea of a circular bar into the Swindon station pub in order that customers were served quickly and did not delay his trains." answer the question "What was Isambard Brunel's occuption?"

A:
yes