A man with an injured arm watches three policemen as one addresses the police van driver and two others walk away from the van.
A prisoner attempted to escape a prison transport.
Just because a man has an injured arm it does not mean the man is a prisoner.
exists e1 p1 s1 x1 x2 x3 x5 x6 x7.(n_van(x7) & n_van(x7) & n_driver(x5) & of(x5,x7) & of(x5,x6) & n_police(x6) & exists e3 e2 x4 x8.(from(e3,x7) & r_away(e3) & Actor(e3,x8) & v_walk(e3) & -(x8 = x1) & n_person(x8) & card_eq_2(x8) & Theme(e2,x5) & Actor(e2,x4) & v_address(e2) & n_thing(x4) & card_eq_1(x4)) & n_person(x1) & as(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_policeman(x3) & card_eq_3(x3) & with(x1,x2) & n_arm(x2) & a_injured(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_attempt(e1) & exists e2 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_escape(e2) & n_transport(x2) & of(x2,x3) & n_prison(x3)) & n_prisoner(x1))