A man Rollerblades in a park.
The man is wearing rollerblades.
the man wears rollerblades to rollerblade
exists e1 x1 x2.(in(e1,x2) & n_park(x2) & Actor(e1,x1) & v_rollerblade(e1) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_rollerblade(x2))