Input: Article: The region was dominated by Bantu-speaking tribes, who built trade links leading into the Congo River basin. Congo-Brazzaville was formerly part of the French colony of Equatorial Africa. Upon independence in 1960, the former colony of French Congo became the Republic of the Congo. The People's Republic of the Congo was a Marxist–Leninist one-party state from 1970 to 1991. Multi-party elections have been held since 1992, although a democratically elected government was ousted in the 1997 Republic of the Congo Civil War and President Denis Sassou Nguesso has ruled for 26 of the past 36 years.

Now answer this question: What title does Nguesso hold?

Output: President

Input: Article: Opinions differ whether the transition to liberal democracy is underway. According to some reports, the military's presence continues as the label 'disciplined democracy' suggests. This label asserts that the Burmese military is allowing certain civil liberties while clandestinely institutionalising itself further into Burmese politics. Such an assertion assumes that reforms only occurred when the military was able to safeguard its own interests through the transition—here, "transition" does not refer to a transition to a liberal democracy, but transition to a quasi-military rule.

Now answer this question: Does the military still have a government presence in Burma ?

Output: the military's presence continues

Input: Article: Many of the limitations of the classic commutator DC motor are due to the need for brushes to press against the commutator. This creates friction. Sparks are created by the brushes making and breaking circuits through the rotor coils as the brushes cross the insulating gaps between commutator sections. Depending on the commutator design, this may include the brushes shorting together adjacent sections – and hence coil ends – momentarily while crossing the gaps. Furthermore, the inductance of the rotor coils causes the voltage across each to rise when its circuit is opened, increasing the sparking of the brushes. This sparking limits the maximum speed of the machine, as too-rapid sparking will overheat, erode, or even melt the commutator. The current density per unit area of the brushes, in combination with their resistivity, limits the output of the motor. The making and breaking of electric contact also generates electrical noise; sparking generates RFI. Brushes eventually wear out and require replacement, and the commutator itself is subject to wear and maintenance (on larger motors) or replacement (on small motors). The commutator assembly on a large motor is a costly element, requiring precision assembly of many parts. On small motors, the commutator is usually permanently integrated into the rotor, so replacing it usually requires replacing the whole rotor.

Now answer this question: What is created by contact between parts of the motor?

Output:
friction