A man and a woman are standing on the beach with their child.
A male and female are outside with their their child.
On the beach means they are outside.
exists e1 x1 x2 x3 x4 x5.(n_child(x5) & of(x5,x4) & n_thing(x4) & n_beach(x4) & with(e1,x5) & on(e1,x4) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists s1 s2 x1 x2 x3 x4.(with(s1,x4) & n_child(x4) & a_their(s2) & Theme(s2,x4) & of(x4,x2) & n_thing(x2) & Theme(s1,x1) & a_outside(s1) & n_female(x3) & n_male(x2) & subset_of(x3,x1) & subset_of(x2,x1))