A man and a woman are sitting on the ground and surrounded by boats.
Both the man and woman are sitting on the ground seeing the boats.
seeing the boats shows that they are surrounded by boats.
exists e3 e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(n_ground(x4) & for(e2,e3) & Actor(e3,x8) & n_boat(x8) & Theme(e3,x5) & v_surround(e3) & Actor(e2,x5) & v_sit(e2) & subset_of(x7,x5) & n_woman(x7) & subset_of(x6,x5) & n_man(x6) & on(e1,x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(n_boat(x7) & n_ground(x5) & n_man(x2) & on(e1,x5) & Theme(e2,x7) & Actor(e2,x6) & v_see(e2) & (x5 = x6) & Actor(e1,x1) & v_sit(e1) & Time(x1,x4) & n_both(x4) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1))