A Jewish boy behind the Star of David.
A boy is dancing with his friend.
The boy can't be dancing with his friend if he's behind the Star of David.
exists s1 x1 x2 x3.(ne_per_david(x3) & n_star(x2) & a_topic(x1) & behind(x1,x2) & of(x2,x3) & n_boy(x1) & a_jewish(s1) & Theme(s1,x1))
exists e1 x1 x2.(with(e1,x2) & n_friend(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_dance(e1) & n_boy(x1))