What is the key excuse used by the bio-food technologist to defend against the genetically engineered food

Watch Part 2 of the podcast and decide whether the jobs are mentioned by the speakers. A: a teacher B: a stand-up comedian C: a footballer D: a vet E: an architectural technologist F: a cellist G: a Salvation Army minister H: a pediatrician I: a brass instrument repairer J: a guitarist K: a student nurse