Workers erect a pavilion for an event in the park.
The men put a temporary roof on a pavilion.
Just because the workers erect a pavilion, doesn't mean they put a temporary roof on a pavilion.
exists e1 x1 x2 x3 x4.(n_park(x4) & in(e1,x4) & for(e1,x3) & n_event(x3) & Theme(e1,x2) & Actor(e1,x1) & v_erect(e1) & n_pavilion(x2) & n_worker(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & on(e1,x3) & n_pavilion(x3) & Theme(e1,x2) & Actor(e1,x1) & v_put(e1) & n_roof(x2) & a_temporary(s1) & Theme(s1,x2))