A little girl and boy play in the sand on the beach.
Two kids are playing in the sand
Two kids is a rephrasing of a little girl and boy.
exists s1 s2 x1 x2 x3 x4 x5.(n_beach(x5) & n_sand(x4) & a_topic(s1) & in(s1,x4) & on(x4,x5) & n_play(x2) & of(x2,x3) & n_boy(x3) & n_girl(x1) & subset_of(x2,s1) & subset_of(x1,s1) & a_little(s2) & Theme(s2,s1))
exists e1 x1 x2.(n_sand(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1) & card_eq_2(x1))