a lady is wearing all black with a whistle in the middle of rollerskaters.
A lady is getting ready to go rollerskating
A lady dressed in black will not always go roller skating.
exists x1 x5.(n_middle(x5) & all x2.(n_thing(x2) -> exists e1 s1 x3 x4 x6.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & with(x2,x4) & in(x4,x5) & of(x5,x6) & n_rollerskater(x6) & n_whistle(x4) & Theme(s1,x3) & a_black(s1) & (x2 = x3))) & n_lady(x1))
exists e1 p1 x1.(exists p2 s1.(Topic(s1,p2) & Actor(s1,x1) & a_ready(s1) & exists e2 p3.(exists e3.(Actor(e3,x1) & v_rollerskate(e3)) & Topic(e2,p3) & Actor(e2,x1) & v_go(e2))) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_lady(x1))