The man, the wife and the son are playing together.
The man and his wife stole the kid from a hospital and are raising them as their own child.
There is no possible way to infer that the parents with their child stole thr child and are raising it as their own. There is no implication whatsoever.
exists e1 s1 x1 x2 x3 x4 x5.(n_son(x5) & n_wife(x4) & n_man(x2) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & subset_of(x3,x1) & subset_of(x5,x3) & subset_of(x4,x3) & subset_of(x2,x1))
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_child(x10) & a_own(s1) & Theme(s1,x10) & of(x10,x2) & n_thing(x2) & n_thing(x2) & n_wife(x9) & of(x9,x8) & n_male(x8) & n_man(x7) & n_kid(x4) & n_wife(x3) & of(x3,x2) & n_male(x2) & n_man(x2) & as(e2,x10) & Theme(e2,x2) & Actor(e2,x6) & v_raise(e2) & subset_of(x9,x6) & subset_of(x7,x6) & from(e1,x5) & n_hospital(x5) & Theme(e1,x4) & Actor(e1,x1) & v_steal(e1) & subset_of(x3,x1) & subset_of(x2,x1))