Two little girls play with sidewalk chalk.
Two girls are taking a nap.
Girls cannot play while taking a nap.
exists e1 s1 x1 x2 x3.(with(e1,x2) & n_chalk(x2) & of(x2,x3) & n_sidewalk(x3) & Actor(e1,x1) & v_play(e1) & n_girl(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_nap(x2) & n_girl(x1) & card_eq_2(x1))