         Sentence. I: To whom , did ACA  mandate the sale of NBC bhie to.in  19417    Sentence 2i RCA converted the: NBC.  Blue. Network ‘into’ an independent  subsidiary, ‘formally: divorcing -the  ‘operations. ‘of NBC : Red. and: NBC  Blue. on January: 8,°1942, with the  Blue Network being: referred to. on-  ait .as ‘either "Blue". “or: “Blue  Network". :