A woman wearing gray and a boy wearing a white shirt playing with toys on the ground.
A father and son are fishing together.
Either it is a woman or a man that is with the son.  The two people can not be fishing if they are playing with toys on the ground.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_ground(x6) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & on(x3,x6) & with(x3,x5) & n_toy(x5) & n_playing(x3) & of(x3,x4) & n_shirt(x4) & a_white(s2) & Theme(s2,x3) & n_boy(x2) & a_gray(s1) & Manner(e1,s1) & Actor(e1,x1) & v_wear(e1) & n_woman(x1))
exists e1 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_fish(e1) & n_son(x3) & n_father(x2) & subset_of(x3,x1) & subset_of(x2,x1))