From the University of Lund Sweden country. Found that the cat tries to communicate with the vocals, and different tones, but also can not interpret conclusively.
From the University of Lund, Sweden, found that cat owners are trying to communicate with. It uses voice and sound different. You can not interpret them explicitly.
From the University of Lund, Sweden, found that a cat trying to communicate with the owners. It uses the cry and the tone is different. But still can not interpret it yet.