With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Davis Guggenheim was an American film director.
text_B: Philip Davis Guggenheim -LRB- born November 3 , 1963 -RRB- is an American film and television director and producer .. television director. television director. His credits include NYPD Blue , ER , 24 , Alias , The Shield , Deadwood , and the documentaries An Inconvenient Truth , The Road We 've Traveled , Waiting for ` Superman ' and He Named Me Malala .. NYPD Blue. NYPD Blue. ER ( TV series ). 24 ( television ). Alias. Alias ( TV Series ). The Shield. The Shield. Deadwood. Deadwood ( TV series ). An Inconvenient Truth. An Inconvenient Truth. He Named Me Malala. He Named Me Malala. documentaries. documentaries. Since 2006 , Guggenheim is the only filmmaker to release three different documentaries that were ranked within the top 100 highest-grossing documentaries of all time -LRB- An Inconvenient Truth , It Might Get Loud , and Waiting for ′ Superman ′ -RRB- .. An Inconvenient Truth. An Inconvenient Truth. documentaries. documentaries. It Might Get Loud. It Might Get Loud
related.