a guy on a roof doing repairs.
A guy is in the basement fixing his roof.
The roof cannot be at the basement.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_repair(x4) & (x2 = x3) & n_roof(x2) & n_guy(x1))
exists p1 x1 x2 x4.(n_roof(x4) & of(x4,x2) & n_male(x2) & n_basement(x2) & exists e1 x3.(in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_fix(e1) & (x2 = x3)) & n_guy(x1))