Two children dispensing soap from a bottle.
The two children are siblings.
The children are not necessarily siblings they could be strangers
exists e1 x1 x2 x3 x4.(a_topic(x1) & from(e1,x4) & n_bottle(x4) & Theme(e1,x3) & Actor(e1,x2) & v_dispense(e1) & n_soap(x3) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists p1 x1.(n_child(x1) & card_eq_2(x1) & exists x2.((x1 = x2) & n_sibling(x2)))