A officer in the military dancing with a young woman in a blue dress.
The couple is dancing.
A couple is an officer and a woman.
exists s1 s2 s3 x1 x2 x3 x4.(n_dancing(x2) & a_military(s1) & Theme(s1,x2) & a_topic(x1) & in(x1,x2) & with(x2,x3) & in(x3,x4) & n_dress(x4) & a_blue(s3) & Theme(s3,x4) & n_woman(x3) & a_young(s2) & Theme(s2,x3) & n_officer(x1))
exists e1 x1.(n_couple(x1) & Actor(e1,x1) & v_dance(e1))