Workers in blue and orange uniforms stand outside a building near their red truck.
The workers are standing outside of their workplace because of a fire drill
it doesn't mention why they're standing outside of their workplace, it doesn't have to be afire drill, they could very well be having a cigarette break.
exists e1 s1 s2 s3 x1 x2 x3 x4.(outside(e1,x3) & near(x3,x4) & n_truck(x4) & a_red(s3) & Theme(s3,x4) & of(x4,x1) & n_thing(x1) & n_building(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_uniform(x2) & a_orange(s2) & Theme(s2,x2) & a_blue(s1) & Theme(s1,x2) & n_worker(x1))
exists e1 x1 x2 x3 x4.(n_workplace(x2) & of(x2,x1) & n_thing(x1) & n_worker(x1) & of(e1,x3) & n_drill(x3) & of(x3,x4) & n_fire(x4) & r_because(e1) & of(e1,x2) & r_outside(e1) & Actor(e1,x1) & v_stand(e1))