A rock face is covered with snow and ice.
The rock face will melt off by next week.
Not all snow and ice will melt by next week.
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 e1 s1 s2 x1 x2 x3.(n_face(x1) & of(x1,x2) & n_rock(x2) & by(e1,x3) & n_week(x3) & a_next(s2) & Theme(s2,x3) & a_off(s1) & Manner(e1,s1) & Actor(e1,x1) & v_melt(e1))