Problem: Does "This theorem establishes that in zero-sum games with perfect information (i.e. in which players know at each time all moves that have taken place so far), there exists a pair of strategies for both players that allows each to minimize his maximum losses, hence the name minimax." answer the question "What year was game theory established?"

A: no

Problem: Does "Thousands gathered in Lviv for an unauthorized moleben (religious service) in front of St. George's Cathedral." answer the question "What is a moleben?"

A: yes

Problem: Does "It has replaced the throne room in importance and use." answer the question "Knighthood is given by being dubbed with what object?"

A:
no