Two kids playing near a clown.
Brother and sister play together
Two kids playing near a clown does not imply that they are brother and sister
exists e1 x1 x2 x3.(a_topic(x1) & near(e1,x3) & n_clown(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))
exists s1 s2 x1 x2.(ne_nam_brother(x1) & a_topic(s1) & subset_of(x2,s1) & r_together(x2) & n_play(x2) & a_sister(s2) & Theme(s2,x2) & subset_of(x1,s1))