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The rank of the occurrence POS tag on TREC-6.
| Rank | Part of Speech tag | Examples |
|---|---|---|
| 1 | NN (Noun, sing or mass) | Llama |
| 2 | NNP (Proper noun, Sing.) | IBM |
| 3 | JJ (Adjective) | yellow |
| 4 | IN (Preposition/sub-conj) | of, in, by |
| 5 | DT (Determiner) | a, the |
| 6 | VB (Verb base form) | eat |
| 7 | NNS (Noun, pular or mass) | llamas |
| 8 | VBZ (Verb 3sg pres) | eats |
| 9 | VBD (Verb past tense) | ate |
| 10 | VBN (Verb past participle) | eaten |
| 11 | CD (Cardinal number) | One, two |
| 12 | NNPS (Proper noun, plural) | Carolinas |
