Anti-counterfeit academician He Yan said: "Dolly is dead, but there are still many cloned cows and sheep that have not died. Why do you doubt cloning technology?-There are still dying children in sexual reproduction!". This passage means. ['Academician He Yan is an anti-counterfeit fighter.', 'clone sheep Dolly is dead.', 'Academician He Yan is confident in cloning technology.', 'Bisexual children have died.']