Two children wearing jeans squirt water at each other.
The children are brothers.
Not all children who play together are brothers.
exists e2 e1 x1 x2 x3 x4.(all x5.(n_other(x5) -> at(e2,x5)) & Theme(e2,x4) & Actor(e2,x1) & v_squirt(e2) & n_water(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jeans(x3) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists p1 x1.(n_child(x1) & exists x2.((x1 = x2) & n_brother(x2)))