I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: Deadly Eyes Movie plot: A customer is trying out clothes in the changing rooms and she is bitten by a hidden rat under her clothes. She says "Damn it" and leaves.Susan Costello is the operations manager of a department store called Garsons and she welcomes a royal lady, showing Sam Groom Sam Groom ... Paul Harris Sara Botsford Sara Botsford ... Kelly Leonard Scatman Crothers Scatman Crothers ... George Foskins Cec Linder Cec Linder ... Dr. Louis Spenser Lisa Langlois Lisa Langlois ... Trudy White Lesleh Donaldson Lesleh Donaldson ... Martha James B. Douglas James B. Douglas ... Mel Dederick Lee-Max Walton Lee-Max Walton ... Tim Harris Joseph Kelly Joseph Kelly ... Matt Kevin Foxx Kevin Foxx ... Hoserman Jon Wise Jon Wise ... Skip Wendy Bushell Wendy Bushell ... Liz Charles Jolliffe Charles Jolliffe ... Henry Younger Dora Dainton Dora Dainton ... Mrs. Trumbull Michael Fawkes Michael Fawkes ... Motorman See full cast " Edit StorylineCorn grain contaminated with steroids produces large rats the size of small dogs who begin feeding on the residents of Toronto. Paul, a college basketball coach, teams up with Kelly, a local health inspector, to uncover the source of the mysterious rat attacks and they eventually try to prevent the opening of a new subway line as well as find the mutant rats nest quickly, or there will be a huge massacre of the entire city! Written by Matt PatayPlot Summary | Add Synopsis Plot Keywords: rat | subway | mutant | steroids | city | See All (21) " Taglines: Tonight they will rise from the darkness beneath the city... to feed! Genres: Horror | Sci-Fi Certificate: 18 | See all certifications " Parents Guide: View content advisory " Edit DetailsCountry: Canada | Hong Kong Language: English Release Date: 23 October 1982 (Canada) See more " Also Known As: The Rats See more " Filming Locations: Toronto, Ontario, Canada Box OfficeBudget: CAD 1,500,000 (estimated) See more " Company CreditsProduction Co: Golden Harvest Company, Filmtrust Productions, Northshore Investments Ltd. See more " Show detailed company contact... My question: Paul's friend is an expert in what?
The answer to this question is:
health inspection