A kid is skateboarding in the suburbs.
A kid rides his bike home.
A kid riding his skateboard can not also be riding his bike.
exists e1 x1 x2.(n_suburb(x2) & in(e1,x2) & Actor(e1,x1) & v_skateboard(e1) & n_kid(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_home(x2) & of(x2,x3) & n_bike(x3) & of(x2,x1) & n_male(x1) & n_kid(x1))