A child is playing at a park.
Someone in the picture is playing outside.
A child is playing at a park shows that  he is playing outside.
exists e1 x1 x2.(at(e1,x2) & n_park(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists e1 x1 x2 x3.(n_picture(x2) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_outside(x3) & in(x1,x2) & n_person(x1))