Two athletic men climbing a waterfall.
The girls went for a bike ride.
There can either be two men or girls.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_climb(e1) & n_waterfall(x3) & (x1 = x2) & n_man(x1) & a_athletic(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_girl(x1) & for(e1,x2) & n_ride(x2) & of(x2,x3) & n_bike(x3) & Actor(e1,x1) & v_go(e1))