The park bench is mounted into the ground.
The seat along the walkpath is fastened securely.
Not all park bench mounted into the ground is fastened securely.
exists e1 x1 x2 x3.(n_ground(x3) & n_bench(x1) & of(x1,x2) & n_park(x2) & into(e1,x3) & Theme(e1,x1) & v_mount(e1))
exists e1 s1 x1 x2.(n_walkpath(x2) & n_seat(x1) & a_securely(s1) & Manner(e1,s1) & Theme(e1,x1) & v_fasten(e1) & along(x1,x2))