A man operates an industrial sewing machine.
a man is cooking
The man cannot be both cooking and using a sewing machine at the same time.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_operate(e1) & n_machine(x2) & of(x2,x3) & n_sewing(x3) & a_industrial(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1.(Theme(s1,x1) & a_cooking(s1) & n_man(x1))