Several people wading in the water at the bottom of a ravine.
Two people are in the ravine.
A ravine is filled with water, so if the people are wading in water, it follows that they are in the ravine.
exists e1 s1 x1 x2 x3 x4 x5.(n_bottom(x4) & n_water(x3) & a_topic(x1) & at(e1,x4) & of(x4,x5) & n_ravine(x5) & in(e1,x3) & Actor(e1,x2) & v_wade(e1) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_ravine(x2) & in(x1,x2) & n_people(x1) & card_eq_2(x1))