An old woman wearing a pink sweater over a blue sweater is knitting.
a man smokes a pipe
woman  is not the same as  man, knitting  is not the same as  smokes
exists e1 e2 s1 s2 s3 x1 x2 x3 x4.(Actor(e2,x1) & v_knit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & over(x3,x4) & n_sweater(x4) & a_blue(s3) & Theme(s3,x4) & n_sweater(x3) & a_pink(s2) & Theme(s2,x3) & (x1 = x2) & n_woman(x1) & a_old(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_smoke(e1) & n_pipe(x2) & n_man(x1))