Two people sitting out looking at the water.
Two people looking at the volcano.
Water and volcano are different.
exists e2 e1 s1 x1 x2 x3.(n_water(x3) & a_topic(x1) & for(e1,e2) & at(e2,x3) & Actor(e2,x2) & v_look(e2) & a_out(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_volcano(x2) & at(e1,x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & card_eq_2(x1))