A rock face is covered with snow and ice.
The ground is snowy and icy.
snowy and icy describes snow and ice
exists e1 x1 x2 x3 x4 x5.(with(e1,x3) & n_ice(x5) & n_snow(x4) & subset_of(x5,x3) & subset_of(x4,x3) & Theme(e1,x1) & v_cover(e1) & n_face(x1) & of(x1,x2) & n_rock(x2))
exists s1 s2 x1 x2 x3.(n_ground(x1) & a_topic(s1) & subset_of(x3,s1) & n_icy(x3) & subset_of(x1,s1) & Theme(s2,x2) & a_snowy(s2) & (x1 = x2))