There is a family sitting outside in the shade.
Family sitting outside under a tree.
A family sitting in the shade must be under a tree.
exists p1 x1 x4.(n_shade(x4) & exists e1 p2 x2 x3.((x1 = x2) & in(e1,x4) & exists s1.(Theme(s1,x3) & a_outside(s1)) & Topic(e1,p2) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_family(x2)))
exists e1 s1 x1 x2.(ne_nam_family(x1) & under(e1,x2) & n_tree(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))