Certainly I'll start. If the chief wishes to add anything, he can do so.
I think it's important to draw a distinction between the first object that was shot down off the coast of the U.S. versus the others. The first one was bigger, but it was also confirmed that it came from China. On the other three, as the minister said, it's not yet known, or not known is a better way to say it.
When we think about the reaction of China, it was around the first one. Yes, absolutely there is lots of speculation on where the other three came from and what their purpose might be, but at this stage, it is speculation.