A girl in a black leotard dances while a girl in a red leotard and torn stockings watching in the middle of a street.
A girl is crying in the street while watching her friend dance.
The girl may not be crying if she's watching her friend dance.
(-x)
exists e2 e1 x1 x2 x3 x4.(n_dance(x3) & of(x3,x4) & n_friend(x4) & of(x3,x2) & n_female(x2) & n_street(x2) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & in(e1,x2) & Actor(e1,x1) & v_cry(e1) & n_girl(x1))