A mother watches over her daughter as she sits on the branch of a tree.
The girl is building a tree fort.
We don't know that the girl is building.
exists e1 p1 x1 x2 x3.(n_branch(x3) & exists e2 x4.(on(e2,x3) & of(x3,x4) & n_tree(x4) & Actor(e2,x1) & v_sit(e2)) & n_female(x1) & n_female(x1) & as(e1,p1) & over(e1,x2) & n_daughter(x2) & of(x2,x1) & Actor(e1,x1) & v_watch(e1) & n_mother(x1))
exists e1 x1 x2 x3.(n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_fort(x2) & of(x2,x3) & n_tree(x3))