A little girl with dirty feet is eating a snack from a cup while sitting in a bin.
The girl is on the couch.
The girl is either on the couch or sitting in a bin. Also, not sure why a snack is being eaten from a cup and not a plate.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(while(e1,e2) & in(e2,x5) & n_bin(x5) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x1) & v_eat(e1) & from(x3,x4) & n_cup(x4) & n_snack(x3) & with(x1,x2) & n_foot(x2) & a_dirty(s2) & Theme(s2,x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_couch(x2) & n_girl(x1) & on(x1,x2))