premise: Peru joined the Group of 15 25 years after the group's creation.
hypothesis: Group of 15 . Chile , Iran and Kenya have since joined the Group of 15 , whereas Yugoslavia is no longer part of the group ; Peru , a founding member-state , decided to leave the G-15 in 2011 . Peru ( also known as Peru the Band ) is an indie rock trio formed in Long Island , New York in 2014 .