Q: What computer game invented by Alexi Pajtnov celebrated its 25th anniversary in June 2009?
A: tetris

Q: From which continent are native tribes and ethnic groups called the Hausa, Yoruba, Igbo, Amhara, Somali, Fula, Shona, Zulu, Hutu, Maasai, Tutsi and Nubians?
A: africa

Q: In what year was Albert Einstein born?
A:
1879