Firefighters relax after responding to an emergency.
Firefighters are sitting down after an emergency.
Relaxation is not always sitting down.
exists e2 e1 x1 x2.(after(e1,e2) & to(e2,x2) & n_emergency(x2) & Actor(e2,x1) & v_respond(e2) & Actor(e1,x1) & v_relax(e1) & n_firefighter(x1))
exists e1 s1 x1 x2.(after(e1,x2) & n_emergency(x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_firefighter(x1))