Sentence 1: On June 21 , 2016 , Debbie Matenopoulos replaced Cristina Ferrare as his new cohost .
Sentence 2: On June 21 , 2016 , Debbie Matenopoulos replaced Cristina Ferrare as his new boss .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?