A person jumping on their snowboard.
The kid is driving home.
A person is not necessarily the kid. A person cannot simultaneously be jumping on their snowboard and driving home.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_snowboard(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_person(x1))
exists e1 x1 x2.(n_kid(x1) & Time(e1,x2) & n_home(x2) & Actor(e1,x1) & v_drive(e1))