A man is using a blowtorch on a piece of fabric.
Nobody has a torch
A man is using a blowtorch while nobody has a torch
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & on(x2,x3) & of(x3,x4) & n_fabric(x4) & n_piece(x3) & n_blowtorch(x2) & n_man(x1))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_torch(x2) & n_person(x1))