The man in the black clothing and the woman in the red dress are dancing ballet.
The couple is performing a ballroom dance.
Ballet is not same as ballroom dance.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_dress(x5) & a_red(s2) & Theme(s2,x5) & n_woman(x4) & n_clothing(x3) & a_black(s1) & Theme(s1,x3) & n_man(x2) & Theme(e1,x6) & Actor(e1,x1) & v_dance(e1) & n_ballet(x6) & subset_of(x4,x1) & in(x4,x5) & subset_of(x2,x1) & in(x2,x3))
exists e1 x1 x2 x3.(n_couple(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_dance(x2) & of(x2,x3) & n_ballroom(x3))