several workers standing in a partially constructed building behind street sign
The workers are at a skateboarding event.
Workers cannot be standing in a building and at a skateboarding event.
exists e1 e2 s1 x1 x2 x3 x4.(in(e1,x2) & behind(x2,x3) & n_sign(x3) & of(x3,x4) & n_street(x4) & n_building(x2) & Theme(e2,x2) & v_construct(e2) & r_partially(x2) & Actor(e1,x1) & v_stand(e1) & n_worker(x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1.(n_worker(x1) & exists e1 x2.(at(x1,x2) & n_event(x2) & Actor(e1,x2) & v_skateboard(e1)))