Ours is the only solar system we know in detail, however, and it has been reasonable for us to assume that these were the _only_ two planetary classes."
We only know our solar system well.
We cannot assume there are only two classes.
You can see beans being roasted on the guided tour.
I hated that place.
Let me help you throw that all over the place.
Two wrestlers in a match
S. 556 has failed to bring up any sort of discussion.
In order to define my policy, I have to do one request.