A girl is dressed up as Wall-E the robot.
A girl in a Wall-E the robot costume is playing.
The girl being dressed up does not mean she is playing.
exists e1 s1 x1 x2.(n_robot(x2) & a_up(s1) & Manner(e1,s1) & as(e1,x2) & r_wall-e(x2) & Theme(e1,x1) & v_dress(e1) & n_girl(x1))
exists e1 x1 x2 x3 x4 x5.(n_costume(x3) & of(x3,x4) & n_robot(x4) & a_topic(x1) & in(x1,x2) & Theme(e1,x5) & Actor(e1,x3) & v_play(e1) & (x2 = x5) & n_wall-e(x2) & n_girl(x1))