Both were so wasted that I'm not sure they could've found seats if they'd tried.
However, they were able to find every body part that should not be groped, massaged, or otherwise fondled in a public place. She was wearing an off the shoulder dress-top, or, at least, it was coming off her shoulders when we saw her.
It should also be pointed out that these two were by no means teenagers. He was 60ish. She was younger, but probably late 40s or early 50s.
When I asked the gentleman taking our tickets if there would be an extra charge for the show, I was assured that there would not be.
Meanwhile, there were two uniformed police officers in the train car, but they initially did nothing.