A balding man is standing and working with a blowtorch.
A man is using a blowtorch on his boat
A man using a blowtorch might not be on his boat.
exists e1 e2 x1 x2 x3 x4 x5.(with(e2,x5) & n_blowtorch(x5) & Actor(e2,x3) & v_work(e2) & n_man(x3) & of(x3,x4) & n_balding(x4) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & of(x1,x2) & n_balding(x2))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & on(x2,x3) & n_boat(x3) & of(x3,x1) & n_male(x1) & n_blowtorch(x2) & n_man(x1))