Two white dogs drink from the lake.
Some dogs are outside.
A lake is outside.
exists e1 s1 x1 x2.(n_lake(x2) & from(e1,x2) & Actor(e1,x1) & v_drink(e1) & n_dog(x1) & a_white(s1) & Theme(s1,x1) & card_eq_2(x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_dog(x1))