A man wearing white shorts and no shirt is performing tricks on his bike in a skate park.
A man roller blading in a skate park.
The man cannot be rollerblading and performing tricks on his bike at the same time.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(in(e2,x7) & n_park(x7) & of(x7,x8) & n_skate(x8) & on(e2,x6) & n_bike(x6) & of(x6,x2) & n_male(x2) & Theme(e2,x5) & Actor(e2,x1) & v_perform(e2) & n_trick(x5) & -exists x9.(subset_of(x9,x1) & n_shirt(x9)) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_shorts(x4) & a_white(s1) & Theme(s1,x4) & (x2 = x3) & n_man(x2))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x4) & n_park(x4) & of(x4,x5) & n_skate(x5) & Actor(e1,x3) & v_blade(e1) & (x1 = x3) & n_roller(x1) & of(x1,x2) & n_man(x2))