Two children standing very close.
An adult is standing next to the child.
An adult refers to someone older than children. It must be one or the other.
exists e1 p1 x1 x2.(a_topic(x1) & exists s1.(r_very(s1) & Theme(s1,x2) & a_close(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_child(x2) & to(e1,x2) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & n_adult(x1))