A woman is operating a sewing machine as a child watches.
a woman and child are baking
Operating a sewing machine and baking are different.
exists e1 p1 x1 x2 x3.(exists e2 x4.(Actor(e2,x4) & v_watch(e2) & n_child(x4)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_operate(e1) & n_machine(x2) & of(x2,x3) & n_sewing(x3) & n_woman(x1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_bake(e1) & n_child(x3) & n_woman(x2) & subset_of(x3,x1) & subset_of(x2,x1))