A woman in a brown sweater is sewing on her machine.
The woman is sewing another sweater.
Just because a woman is wearing a sweater does not mean that she is sewing a sweater.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_machine(x3) & of(x3,x1) & n_female(x1) & Actor(e1,x1) & v_sew(e1) & in(x1,x2) & n_sweater(x2) & a_brown(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2 x3.(n_sweater(x2) & n_woman(x1) & Theme(e1,x3) & Actor(e1,x1) & v_sew(e1) & n_sweater(x3) & -(x3 = x2))