It could make a no sound and another that sounded a bit like yes. If you asked it questions you might wonder if the cat was human level intelligent, but not likely intellectual. Watching it nap and chill in a planter box sometimes he looked contemplative!
Recently it was confirmed that a color pattern is universal. 100% pattern. This is hard to get to. It Also includes colors inside atoms which I find the most curious thing of all. This might encourage scientists to do atomic research.