Two men in brown robes walk away from a columned building.
Two men were walking away from the nuclear blast that killed everyone else on earth.
A columned building would not be a nuclear blast.
exists e2 e1 s1 x1 x2 x3.(from(e1,x3) & n_building(x3) & Theme(e2,x3) & v_column(e2) & r_away(e1) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_robe(x2) & a_brown(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(n_blast(x2) & a_nuclear(s1) & Theme(s1,x2) & from(e1,x2) & all x4.(n_person(x4) -> exists e2 x5.(Theme(e2,x4) & Actor(e2,x3) & v_kill(e2) & on(x4,x5) & n_earth(x5) & r_else(x4))) & (x2 = x3) & r_away(e1) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_2(x1))