Labels Base NP modifier NN ( common noun ) , M ( measure word ) , CD ( cardinal number ) , OD ( ordinal number ) , PN ( pronoun ) , NR ( proper noun ) , NT ( temporal noun ) , JJ ( other noun-modifier ) , or PU ( punctuation ) Base NP head NN ( common noun ) , M ( measure word ) , CD ( cardinal number ) , OD ( ordinal number ) , PN ( pronoun ) , NR