Two children climb a rock wall as two people watch carefully.
Two children are climbing outside and failing.
The rock wall could be inside or outside.  The children may or may not be failing.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(as(e1,x4) & a_carefully(s1) & Manner(e2,s1) & Theme(e2,x6) & Actor(e2,x5) & v_watch(e2) & (x4 = x6) & n_people(x5) & n_thing(x4) & card_eq_2(x4) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_wall(x2) & of(x2,x3) & n_rock(x3) & n_child(x1) & card_eq_2(x1))
exists e1 e2 s1 x1 x2.(Actor(e2,x2) & v_fail(e2) & n_child(x2) & card_eq_2(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_climb(e1) & n_child(x1) & card_eq_2(x1))