Problem: Does "The Byzantines also helped the Khazars build a fortress at Sarkel on the Don river to protect their northwest frontier against incursions by the Turkic migrants and the Rus', and to control caravan trade routes and the portage between the Don and Volga rivers." answer the question "What did the Byzantines help the Khazars with?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Further, state-run Jawaharlal Nehru Government Engineering College started in 2006 at Sundernagar." answer the question "When was the state run Nehru Government Engineering College started?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Seven of the world's top eight global advertising agency networks have their headquarters in New York." answer the question "Out of the top eight advertising agency networks in the world, how many are based in New York?" OPTIONS:
- yes
- no

A:
yes