A yellow construction machine is digging.
A truck is parked near a beach.
The machine cannot be parked and digging at the same time.
exists e1 s1 x1 x2.(Actor(e1,x1) & v_dig(e1) & n_machine(x1) & of(x1,x2) & n_construction(x2) & a_yellow(s1) & Theme(s1,x1))
exists e1 x1 x2.(near(e1,x2) & n_beach(x2) & Theme(e1,x1) & v_park(e1) & n_truck(x1))