| Basic Uni-gram features | Basic Bi-gram features | In between POS features |
| p-wrd, p-ps | p-wrd, p-ps, c-wrd, c-ps | p-ps, b-pos, c-ps | p-wrd | p-ps, c-wrd, c-ps | Surrounding word pos features | p-ps | p-wrd, c-wrd, c-ps | p-ps, p-ps + l, c-ps-l, c-ps | c-wrd, c-ps | p-wrd, p-ps, c-wrd | p-ps-l, p-ps, c-ps-l, c-ps | c-wrd | p-wrd, c-wrd | p-ps, p-ps + l, c-ps+1 | c-ps | p-ps, c-ps | p-ps-l, p-ps, c-ps, c-ps+1 |
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