A girl with extended arms goes down a slide.
A girl with long arms is playing in the park.
Extended arms does not mean the arms are long, and a slide may not be in a park.
exists e1 s1 s2 x1 x2 x3.(a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_go(e1) & n_slide(x3) & with(x1,x2) & n_arm(x2) & a_extended(s1) & Theme(s1,x2) & n_girl(x1))
exists e1 s1 x1 x2 x3.(n_park(x3) & in(e1,x3) & Actor(e1,x1) & v_play(e1) & with(x1,x2) & n_arm(x2) & a_long(s1) & Theme(s1,x2) & n_girl(x1))