A lady and a boy are holding hands.
A woman and her son walk to school together.
The boy is not necessarily the woman's son, and they may be walking together to a place that is not school.
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_hold(e1) & n_hand(x4) & subset_of(x3,x1) & n_boy(x3) & subset_of(x2,x1) & n_lady(x2))
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & to(s1,x4) & Theme(s2,x5) & a_together(s2) & (x4 = x5) & n_school(x4) & subset_of(x2,s1) & Time(x2,x3) & n_walk(x3) & n_son(x2) & of(x2,x1) & n_female(x1) & subset_of(x1,s1) & n_woman(x1))