Firefighters in full gear gaze at a building
Firefighters not dressed for a fire look at the forest.
If firefighters are not dressed for a fire they cannot be in full gear. If someone is gazing at a building then they are not looking at the forest.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & at(x2,x4) & n_building(x4) & n_gaze(x2) & of(x2,x3) & n_gear(x3) & a_full(s1) & Theme(s1,x2) & n_firefighter(x1))
exists x1 x2 x5.(n_forest(x5) & a_topic(x1) & -exists e1 x3 x4.(for(e1,x3) & at(x3,x5) & n_look(x3) & of(x3,x4) & n_fire(x4) & Theme(e1,x2) & v_dress(e1)) & (x1 = x2) & n_firefighter(x1))