Problem: Does "This influx was compounded by the decline of the Western Sudanic Mali Empire in 1375 and the Songhai Empire in 1591." answer the question "What empire was o the decline on 1375?" OPTIONS:
- yes
- no

A: yes

Problem: Does "The low mechanical complexity of hydraulic elevators in comparison to traction elevators makes them ideal for low rise, low traffic installations." answer the question "Why do hydraulic elevators use more energy?" OPTIONS:
- yes
- no

A: no

Problem: Does "In September 2005, NBC broadcast A Concert for Hurricane Relief, and West was a featured speaker." answer the question "What broadcast for NBC was Kanye presenting for when he spoke negatively about President Bush?" OPTIONS:
- yes
- no

A:
yes