A dog and person doing an agility course.
A man and dog are exercising.
Agility course and exercising are same.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_course(x4) & of(x4,x5) & n_agility(x5) & (s1 = x3) & n_person(x2) & n_dog(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_exercise(e1) & n_dog(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))