Question: From which country hail the rock band 'Sick Puppies' who produced the album 'Tri-Polar' and the electronic music duo 'Empire of the Sun' whose albums include 'Walking on a Dream'?
Sentence (from "Sick Puppies"): The video supported the Free Hugs Campaign which was launched in Sydney, and has since received over 77 million views on the website.
Relevant evidence: No