Two little girls sit in front of the flower garden, playing with chalk.
two girls are swimming.
Two girls cannot be swimming while sitting in front of a garden.
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_garden(x3) & of(x3,x4) & n_flower(x4) & for(e1,e2) & with(e2,x5) & n_chalk(x5) & Actor(e2,x1) & v_play(e2) & in(e1,x2) & of(x2,x3) & n_front(x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_swim(e1) & n_girl(x1) & card_eq_2(x1))