Young people in sombreros enjoy shots and drinks.
Young people sit in their dorm rooms and study all night.
The cannot be enjoying shots and sitting in their dorm rooms to study at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & subset_of(x5,x3) & n_drink(x5) & subset_of(x4,x3) & n_shot(x4) & in(x1,x2) & n_sombrero(x2) & n_people(x1) & a_young(s1) & Theme(s1,x1))
all x4 x3 x5 x6 x1.((n_study(x6) & n_room(x5) & subset_of(x6,x3) & subset_of(x5,x3) & of(x3,x4) & n_dorm(x4) & of(x3,x1) & n_thing(x1) & n_night(x1)) -> exists e1 s1 x2.(Time(e1,x1) & in(e1,x3) & Actor(e1,x2) & v_sit(e1) & n_people(x2) & a_young(s1) & Theme(s1,x2)))