Q: Which artist recorded a song with Diddy that was in the number one position of the Billboard Year-End Hot 100 Singles of 2010?
A: Kesha

Q: Are both Michael Hofmann and Paul Bogart film directors?
A: yes

Q: Rich Christiano and Michel Boisrond were born in which months?
A: October

Q: What was the planned, first devised by Raivis Zeltits, to form a federation of Central and Eastern European countries after World War I?
A:
Intermarium