A man is skateboarding in front of a group of people.
Tony Hawk is performing for fans.
The man can be anyone other than Tony Hawk and hence the audience may not be fans
exists e1 x1 x2 x3 x4.(in(e1,x2) & of(x2,x3) & of(x3,x4) & n_people(x4) & n_group(x3) & n_front(x2) & Actor(e1,x1) & v_skateboard(e1) & n_man(x1))
exists e1 x1 x2 x3.(ne_per_hawk(x1) & (x1 = x2) & ne_per_tony(x2) & for(e1,x3) & n_fan(x3) & Actor(e1,x1) & v_perform(e1))