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It's 10:47 pm on a bus somewhere in a city. A few teenagers are listening to music and talking loudly. The other passengers look languidly out the window or at their cell phones. A drunk man gets in and joins the teenagers; the mood starts to shift.
Tired of boring students-sex, university students Rafael and Alex decide to explore a new science: Paleontology- which means, from now on, "she" must be at least 10 years older.