A man grinding the lip of a pool on his Rollerblades.
A man is grinding in his rollerblades.
The grinding is on the lip of a pool.
exists e1 x1 x2 x3 x4 x5.(n_rollerblade(x5) & of(x5,x3) & n_male(x3) & n_lip(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_grind(e1) & of(x3,x4) & on(x4,x5) & n_pool(x4) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(in(e1,x2) & n_rollerblade(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_grind(e1) & n_man(x1))