A little boy squats while playing with a yellow plastic shovel.
The little boy is running across the beach.
If the boy is squatting and playing, then he is not running.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(while(x6,e1) & n_event(x6) & for(e1,x1) & with(e1,x4) & n_shovel(x4) & of(x4,x5) & n_plastic(x5) & a_yellow(s2) & Theme(s2,x4) & Actor(e1,x3) & v_play(e1) & n_thing(x3) & n_squat(x1) & of(x1,x2) & n_boy(x2) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_beach(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & across(e1,x2) & Actor(e1,x1) & v_run(e1))