A man and children carrying bags.
A father is taking his children on a trip.
In fact that a man and children carrying bags does not  imply the man is the father.
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Theme(e1,x4) & Actor(e1,x3) & v_carry(e1) & n_bag(x4) & (x2 = x3) & n_child(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_trip(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_child(x2) & of(x2,x1) & n_male(x1) & n_father(x1))