Paramedics are rescuing a man on a walkway.
Paramedics push a woman off a bridge.
A man is different from a woman.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_rescue(e1) & on(x2,x3) & n_walkway(x3) & n_man(x2) & n_paramedic(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & off(x2,x3) & n_bridge(x3) & n_woman(x2) & n_paramedic(x1))