Skateboarder with black and white hat performing an ollie in a skate park.
Person at his favorite skate park.
A person does not have to be a skateboarder. Just because a skateboarder is performing an ollie in a skate park it does not mean it is his favorite park.  A skateboarder does not have to be a male.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(x1,x2) & in(e1,x5) & n_park(x5) & of(x5,x6) & n_skate(x6) & Theme(e1,x4) & Actor(e1,x3) & v_perform(e1) & n_ollie(x4) & (x2 = x3) & n_hat(x2) & a_white(s2) & Theme(s2,x2) & a_black(s1) & Theme(s1,x2) & n_skateboarder(x1))
exists s1 x1 x2 x3.(n_park(x2) & of(x2,x3) & n_skate(x3) & a_favorite(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & ne_per_person(x1) & a_topic(x1) & at(x1,x2))