A man and woman both wearing white, standing on the Great Wall of China.
A man and woman smile as they reach the top of the Great Wall of china.
One can stand on parts of the Great Wall of China other than the top.  One can stand on the Great Wall without smiling.
exists e1 e2 p1 x1 x2 x3 x4 x5 x6 x7.(ne_org_china(x7) & ne_org_wall(x5) & (x5 = x6) & ne_org_great(x6) & a_topic(x1) & n_both(x1) & for(e1,e2) & on(e2,x5) & of(x5,x7) & Actor(e2,x4) & v_stand(e2) & exists s1.(Theme(s1,x4) & a_white(s1)) & Topic(e1,p1) & Actor(e1,x4) & v_wear(e1) & (x1 = x4) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 p1 x1 x2 x3 x4 x5 x6.(ne_org_wall(x5) & (x5 = x6) & ne_org_great(x6) & n_top(x4) & exists e2 x7.(Theme(e2,x4) & Actor(e2,x2) & v_reach(e2) & of(x4,x5) & of(x5,x7) & n_china(x7)) & n_thing(x2) & as(e1,p1) & Actor(e1,x1) & v_smile(e1) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))