A solider in a tan uniform is sitting outside of a building, keeping watch.
A soldier is outside keeping watch.
A soldier keeping watch outside might be sitting and outside of a building, while wearing a tan uniform.
exists e2 e1 s1 x1 x2 x3 x4.(for(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_keep(e2) & n_watch(x4) & of(e1,x3) & n_building(x3) & r_outside(e1) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_uniform(x2) & a_tan(s1) & Theme(s1,x2) & n_solider(x1))
exists e1 s1 x1 x2.(for(s1,e1) & Theme(e1,x2) & Actor(e1,x1) & v_keep(e1) & n_watch(x2) & Theme(s1,x1) & a_outside(s1) & n_soldier(x1))