rtokens: Don Rieck , president of the National Animal Control Association , said aggressiveness in dogs was related more to gender than breed and a male dog that had not been neutered was three times more likely to bite than an unspayed female .
pos: PRP RB VBD IN RB CD NN IN NNS VBD VBN IN JJ NN VBD RB VBN .
tokens: He also estimated that only 25 percent of bites were reported because medical attention was not needed .
ltokens: Cornwell said 50 percent of reported bites were provoked by a person and 60 percent were suffered by children .