classification class. vector features 12 M : 0 H m m m m m m m m m m m m upon apt 9 2 12 M : 0 H m m m m m m m m m m m m to upon 2 3 11 M : 1 H m m m m m m h m m m m m on there 2 13 11 M : 1 H h m m m m m m m m m m m an by 5 10 10 M : 2 H m m m m m m h m m m h m particularly probability 3 9 8 M : 4 H m m m m m m h h h m h m also of 1 4 8 M : 4 H m m m h m m h h m m h m always of 1 3 7 M : 5 H h m m h m h h m h m m m of work+s 5 2 6 M : 6 H m m h m m m h h m h h h there language 1 8 5 M : 7 H m h m h h m h h h m m h consequently direction 5 11