Pair miss Japanese contest Florida Pearl and Flagship Uberalles have declined their invitations to run in the Nakayama Grand Jump in Japan next month.Flagship Uberalles` trainer Philip Hobbs will rely on Hennessy Cognac Gold Cup winner What`s Up Boys, who is one of eight horses invited to run in the #798,000 contest which is to be run on April 13th.The others are Native Upmanship, Line Marine and Ty Benjam from France, Australia`s St Steven, Rand and Bodle from New Zealand and the United States` representative All Gong.