A father and child enjoy the water.
A family is enjoying in the water.
A father and child are a family
exists e1 x1 x2 x3 x4.(n_water(x4) & Theme(e1,x4) & Actor(e1,x1) & v_enjoy(e1) & n_child(x3) & n_father(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_family(x1))