This is getting increasingly off topic, but curiosity got the best of me and I attempted to source the sentence. Apparently, it is a line spoken by “Ginko” in Urushibara’s 蟲師, describing a fictional creature called 黒花.
I'd just like to point out that the grammar tagger itself does not clue the user in on how A, B and C are related to the particles, etc., which is important for certain grammar points. We cannot be sure that what we see as A in a given sentence is the A in the grammar dictionary for that structure. I guess we will need to refer to the grammar dictionary in such cases.
Although this particular grammar point does not seem to show up in the selection, a similar situation may present itself elsewhere. Just a thought.
I wonder if I could be greedy and sneak in a grammar question here. Is the construction <"people" で> supposed to be tagged to the one I indicated? I've been conceptualizing it as having a separate (and absent) meaning, but I'd be grateful to know if this is how it's seen.
It's been awhile, but I have some updates! The data you all have been adding is starting to appear in the system. For example, if you open up the dictionary and go to the sentence dictionary, search for "7" (it'll look up the sentence with id #7). You can see that the accepted grammar for ている is correctly showing, with the other ones not!
I'm also setting up a tool to start getting these to appear on the grammar library pages too :)
