A dog leaps over a man to catch a disc.
A man teaches his friend's dog how to jump.
The dog leaping is not necessarily the man's friend's dog.
exists e1 p1 x1 x2.(over(e1,x2) & Topic(x2,p1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_catch(e2) & n_disc(x3)) & n_man(x2) & Actor(e1,x1) & v_leap(e1) & n_dog(x1))
exists e1 p1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_teach(e1) & Topic(x3,p1) & exists e2.(Actor(e2,x3) & v_jump(e2)) & n_dog(x3) & of(x3,x2) & n_friend(x2) & of(x2,x1) & n_male(x1) & n_man(x1))