A motorcycle cop is driving around, the bike says polbru under police.
A police officer is riding around on a motorcycle, chasing after a felon.
Just because a motorcycle cop is driving around, the bike says polbru under police does not mean he is riding around on a motorcycle, chasing after a felon.
exists e2 e1 s1 x1 x2 x3 x4 x5.(n_bike(x3) & under(e2,x5) & n_police(x5) & Theme(e2,x4) & Actor(e2,x3) & v_say(e2) & n_polbru(x4) & a_around(s1) & Manner(e1,s1) & Actor(e1,x1) & v_drive(e1) & n_cop(x1) & of(x1,x2) & n_motorcycle(x2))
exists e1 s1 x1 x2 x3 x4 x5.(a_around(s1) & Manner(e1,s1) & on(e1,x3) & rel(x3,x4) & after(x4,x5) & n_felon(x5) & n_chasing(x4) & n_motorcycle(x3) & Actor(e1,x1) & v_ride(e1) & n_officer(x1) & of(x1,x2) & n_police(x2))