With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robert Chase is involved in an American television show.
text_B: Robert Chase , MBBS is a fictional character on the Fox medical drama House .. House. House ( TV series ). MBBS. Bachelor of Medicine / Bachelor of Surgery. fictional character. fictional character. Fox. Fox network. medical drama. medical drama. He is portrayed by Jesse Spencer .. Jesse Spencer. Jesse Spencer. His character was a part of the team of diagnosticians who worked under Gregory House until the end of the third season when House fires him .. House. House ( TV series ). Gregory House. Gregory House. However , he resumed work at the hospital as a surgeon , and was re-hired by House in season 6 .. House. House ( TV series ). Robert Chase is the longest-serving member of House 's staff .. House. House ( TV series ). Chase has been attracted to Allison Cameron since the beginning of the show and embarks on a romantic relationship with her in `` Human Error . ''. Allison Cameron. Allison Cameron ( House ). Human Error. Human Error ( House episode ). In `` Post Mortem , '' he left the Diagnostic Team after realizing he was in the same position as he was 10 years earlier , unlike all of the other former members of the team .. However , in the series finale , he rejoins the hospital as the new Head of Diagnostic Medicine , replacing House , who is thought to have died .. House. House ( TV series ). Diagnostic Medicine. Diagnostics
related.