Problem: Context: Winning Team John C. Harsanyi, John F. Nash and Reinhard Selten were jointly awarded the Nobel Prize in Economics. The three professors were singled out for their unique contributions to game theory, derived from studies of games such as poker or chess, in which players have to think ahead and devise a strategy based on expected countermoves from opponents.
Three scholars shared a Nobel Prize for their studies about the game theory.
A: yes

Problem: Context: Between 143 and 152 people have now been hospitalized in the wake of Monday's train derailment near Lviv, Ukraine, and subsequent phosporous cloud. According to the Ukrainian Healthcare Ministry's spokesperson, Igor Gerych, 43 of the injured are children, 13 are firemen and three are medical personnel. None are considered to be in mortal danger, yet some cases remain at medium risk level.
A railway disaster caused a fire.
A: no

Problem: Context: With Washington hinting it might soften its tough stance to break the deadlock, top US negotiator, Christopher Hill, said the two sides needed to review the situation.
Christopher Hill works for the US.
A: yes

Problem: Context: The Republic of Tajikistan, which declared independence from the Soviet Union in 1991, is in a region that has changed hands many times.
The Soviet Union collapsed in 1991.
A:
no