There is a family sitting outside in the shade.
A family eating dinner at McDonalds.
First sentence family is outside in the shade. In second one they are in McDonald's.
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 x1 x2 x3 x4.(ne_org_mcdonalds(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_eat(e1) & at(x3,x4) & n_dinner(x3) & (x1 = x2) & n_family(x1))