Firefighters are spraying a hose into a fire.
Firefighters are spraying a hose into a fire at a house.
A fire may occur anywhere, not just a house.
exists e1 x1 x2 x3.(into(e1,x3) & n_fire(x3) & Theme(e1,x2) & Actor(e1,x1) & v_spray(e1) & n_hose(x2) & n_firefighter(x1))
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_house(x4) & into(e1,x3) & n_fire(x3) & Theme(e1,x2) & Actor(e1,x1) & v_spray(e1) & n_hose(x2) & n_firefighter(x1))