Two young boys sitting in water and digging in the sand.
Two young boys are eating dinner.
Digging in the sand is not eating dinner.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_sand(x6) & a_topic(x1) & in(e1,x6) & in(e1,x3) & subset_of(x5,x3) & n_digging(x5) & subset_of(x4,x3) & n_water(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_dinner(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))