Do the following sentences say the same thing?
Islamic State issues video of beheading of US hostage
Islamic State posts second propaganda video of UK hostage

3

Do the following sentences say the same thing?
Suspected al-Qaeda financier arrested in France
Three al Qaeda suspects arrested in Spain

2

Do the following sentences say the same thing?
Protests sweep Brazil despite concession
Protests planned across Brazil despite concessions

4

Do the following sentences say the same thing?
Egyptians vote on divisive constitution
Egyptians vote on constitution change
4