A man on his hands and knees outside in the grass.
The man is looking for a pen that he dropped.
Just because a man is on his hands and knees outside in the grass it does not mean he is looking for a pen that he dropped.
exists s1 x1 x2 x3 x4 x5.(n_grass(x5) & a_topic(s1) & subset_of(x3,s1) & in(x4,x5) & outside(x3,x4) & n_thing(x4) & n_knee(x3) & subset_of(x1,s1) & on(x1,x2) & n_hand(x2) & of(x2,x1) & n_male(x1) & n_man(x1))
exists e1 p1 x1 x2.(n_male(x1) & n_man(x1) & for(e1,x2) & Topic(x2,p1) & exists e2.(Actor(e2,x1) & v_drop(e2)) & n_pen(x2) & Actor(e1,x1) & v_look(e1))