Premise: 30 Rock . The series stars Fey with a supporting cast that includes Alec Baldwin , Tracy Morgan , Jane Krakowski , Jack McBrayer , Scott Adsit , Judah Friedlander , Katrina Bowden , Keith Powell , Lonny Ross , John Lutz , Sue Galloway , Kevin Brown , Grizz Chapman , Maulik Pancholy , and Rachel Dratch . Jane Krakowski . She is best known for her role as Jenna Maroney in the NBC sitcom 30 Rock , for which she received four Primetime Emmy Award nominations for Outstanding Supporting Actress in a Comedy Series .
Hypothesis: Jane Krakowski refused to appear in any episode of 30 Rock during its run.
Label: CONTRADICTION