A little girl in a pink skirt is climbing a tree with other children.
a girl climbs a tree
If someone climbs then someone is climbing
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_child(x5) & with(e1,x4) & -(x4 = x5) & n_child(x4) & Theme(e1,x3) & Actor(e1,x1) & v_climb(e1) & n_tree(x3) & in(x1,x2) & n_skirt(x2) & a_pink(s2) & Theme(s2,x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_tree(x2) & n_girl(x1))