[ There's a pause while Strange thinks of what to ask next. Well...she's a combat android, so he could ask her what exactly she fought. But she also knows 9S, so he can try to coax out some gossip... ]

I've assumed you know 9S, just because of the whole blindfold business, but how well do you know him? After all, it's no use gossipping about someone you're a relative stranger with.