Category 1
Where / polar bears / live?
Where do polar bears live?
When / the Second World War / end?
When did the Second World War end?
Who / paint / The Scream
Who painted The Scream?
Which country / win / the 2010 World Cup?
Which country won the 2010 World Cup?
Where / manga comics / come from?
Where do manga comics come from?
Which superhero film / Christopher Nolan in 2008 / direct
Which superhero film did Christopher Nolan direct in 2008?
Who / invent / the World Wide Web
Who invented the World Wide Web?
How many countries / belong/ to the United Nations?
How many countries belong to the United Nations?
Which country / have / a blue and yellow flag?
Which country has a blue and yellow flag?
Who / Tom Cruise in 2006 / marry?
Who did Tom Cruise marry in 2006?