A woman and a girl are sitting under a tree.
A woman and her daughter relax under a tree.
Just because a woman and a girl are sitting under a tree doesn't mean they are mother and daughter.
exists e1 x1 x2 x3 x4.(under(e1,x4) & n_tree(x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_girl(x3) & subset_of(x2,x1) & n_woman(x2))
exists e1 x1 x2 x3 x4.(under(e1,x4) & n_tree(x4) & Actor(e1,x1) & v_relax(e1) & subset_of(x3,x1) & n_daughter(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_woman(x2))