A girl treks through the snow with her backpack on.
A child is going ice skating
Just because there is snow, it doesn't mean the child is going ice skating.
exists e1 s1 x1 x2 x3.(n_snow(x2) & n_backpack(x3) & of(x3,x2) & n_female(x2) & a_on(s1) & Manner(e1,s1) & through(e1,x2) & with(e1,x3) & Actor(e1,x1) & v_trek(e1) & n_girl(x1))
exists e2 e1 x1 x2.(for(e1,e2) & Actor(e2,x1) & v_skate(e2) & Time(e1,x2) & n_ice(x2) & Actor(e1,x1) & v_go(e1) & n_child(x1))