This is two belly dancers in mid dance.
A ballet dancer is practicing alone.
Belly dancers do not dance the same way as ballet dancers as they are not the same thing.
exists p1 x1.(n_thing(x1) & exists s1 s2 x2 x3.((x1 = x2) & in(x2,x3) & n_dance(x3) & a_mid(s2) & Theme(s2,x3) & n_dancer(x2) & a_belly(s1) & Theme(s1,x2) & card_eq_2(x2)))
exists e1 s1 x1 x2.(a_alone(s1) & Manner(e1,s1) & Actor(e1,x1) & v_practice(e1) & n_dancer(x1) & of(x1,x2) & n_ballet(x2))