I'm just a guy with 23 years of TV news experience, 10 of them anchoring network programs like Weekend Today on NBC and Good Morning America news.
I only have five years of TV news experience. 
mnli hypothesis: I only have five years of TV news experience.  premise: I'm just a guy with 23 years of TV news experience, 10 of them anchoring network programs like Weekend Today on NBC and Good Morning America news.