\input zb-basic \input zb-ioport \iteman{io-port 70147845} \itemau{Hong, Bryan Anthony; Ong, Ethel} \itemti{Generating punning riddles from examples} \itemso{ISUC, 347-352 (2008).} \itemcc{} \itemut{} \itemli{http://doi.ieeecomputersociety.org/10.1109/ISUC.2008.28} \end