A man and young girl stand together looking at something with a small child nearby.
The father is keeping an eye on his children.
You cannot infer that the man is the father nor that he is keeping an eye on his own children. He might just be standing near them, but not related to them at all.
exists e1 p1 s1 x1 x2 x3.(exists e2 s2 s3 s4 x4 x5.(a_together(s4) & Manner(e2,s4) & a_nearby(s3) & Manner(e2,s3) & at(e2,x4) & with(x4,x5) & n_child(x5) & a_small(s2) & Theme(s2,x5) & n_thing(x4) & Actor(e2,x1) & v_look(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_stand(e1) & n_girl(x3) & a_young(s1) & Theme(s1,x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2 x3.(n_child(x3) & of(x3,x1) & n_male(x1) & n_father(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_keep(e1) & n_eye(x2))