Petra Maria Mede (born 7 March 1970) is a Swedish comedian, dancer, actress and television presenter. She was born in Stockholm, and grew up in Gothenburg. Mede is known for her several roles in comic shows and as a television presenter. She is best known for hosting the Eurovision Song Contest in 2013 and co-hosting in 2016.
Can we infer the following?
Petra was on TV in the 1970s.
It's impossible to say