A young blond child watches a checkerboard.
A boy watches his father play checkers.
The child could be either a boy or a girl. The child watches a checkerboard but that doesn't necessarily mean that he or she is watching his or her father play checkers.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_checkerboard(x2) & n_child(x1) & a_blond(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & Time(x2,x4) & n_checkers(x4) & n_play(x2) & of(x2,x3) & n_father(x3) & of(x2,x1) & n_male(x1) & n_boy(x1))