A referee on rollerskates and wearing knee pads and a helmet is sweeping the floor of a wooden basketball court in front of a crowd.
People watch a woman skating.
Just because a referee is on roller  skates that does not mean a woman is skating.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13.(n_floor(x9) & Theme(e2,x9) & Actor(e2,x1) & v_sweep(e2) & of(x9,x10) & in(x10,x12) & of(x12,x13) & n_crowd(x13) & n_front(x12) & n_court(x10) & of(x10,x11) & n_basketball(x11) & a_wooden(s1) & Theme(s1,x10) & subset_of(e1,x1) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & subset_of(x8,x5) & n_helmet(x8) & subset_of(x6,x5) & n_pad(x6) & of(x6,x7) & n_knee(x7) & n_thing(x4) & subset_of(x2,x1) & on(x2,x3) & n_rollerskate(x3) & n_referee(x2))
exists e2 e1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Actor(e1,x3) & v_skate(e1) & (x2 = x3) & n_woman(x2) & n_people(x1))