The Riddle of the Sphinx (Inside No. 9) was characterised by Pemberton as a thriller in the style of Anthony Shaffer's 1970 play "Sleuth", while Shearsmith identified the episode as particularly theatrical, in the style of "Sleuth" and Ira Levin's 1978 play "Deathtrap". BBC executives, according to Shearsmith, saw the episode as a cross between "Sleuth" and Willy Russell's 1980 play "Educating Rita" that read as if it had been authored by psychopaths. The executive producer Jon Plowman suggested that the first half of the episode plays out like a radio play. The word-play and tea-drinking in this part of the episode are, in the writers' opinion, very
Justina Valentine laugh, and overall make people happy. She started starring in school and local town plays as a child, while taking dance lessons. She comes from a musical family and her father is the lead vocalist in a band and plays a number of instruments. Valentine released her first mixtape "Route 80" in 2012, the singles "Bubble Gum" and "Hip-hop Joan Jett" became viral hits on YouTube. Valentine released her EP, "Valentine", in 2013 debuting at #38 on the iTunes R&B charts. On July 8, 2014, the singer released her second mixtape, "Red Velvet". In 2016, she released her studio album,