Takaaki Kajita (梶田 隆章 , Kajita Takaaki ) is a Japanese physicist, known for neutrino experiments at the Kamiokande and its successor, Super-Kamiokande. In 2015, he was awarded the Nobel Prize in Physics jointly with Canadian physicist Arthur B. McDonald. Using only the above description and what you know about the world, "The 2015 Nobel Prize for Physics was won by a Japanese-Canadian partnership." is definitely correct, incorrect, or inconclusive? 