a) A musician earns more than a teacher
A teacher [?] than a musician
b) Being an anchors assistant is harder than being a wedding advisor
Being a wedding advisor [?] than being an anchors assistant
c) A constable has worse hours than a teacher
A teacher has [?] than a constable
d) A chemical-pharma-biologist is better educated than a Laboratory Technician
A laboratory technician is [?] than a chemical-pharma-biologist