A girl in a green bandanna and flip-flops sits on stone steps.
A boy runs through a maze.
One who runs can not sits simultaneously.
exists e1 s1 x1 x2 x3 x4 x5 x6.(on(e1,x5) & n_step(x5) & of(x5,x6) & n_stone(x6) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & subset_of(x4,x2) & n_flip-flop(x4) & subset_of(x3,x2) & n_bandanna(x3) & a_green(s1) & Theme(s1,x3) & n_girl(x1))
exists e1 x1 x2.(through(e1,x2) & n_maze(x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1))