A fireman in action during an intense fire.
A fireman fights a housefire.
Fighting a fire does not imply fighting a housefire.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & during(x2,x3) & n_fire(x3) & a_intense(s1) & Theme(s1,x3) & n_action(x2) & n_fireman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fight(e1) & n_housefire(x2) & n_fireman(x1))