pos: JJ NNS VBD VBN IN DT NNS CC VBN , UH NNP VBD .
tokens: Seventy-seven students were found with the watches and disqualified , O Globo said .
ltokens: Rio de Janeiro state university officials discovered students were paying 15,000 reais ( $ 14,563 ) for the special watches , which operated like a telephone pager to receive correct answers , O Globo said .