With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Invention of Lying's cast includes a comedian.
text_B: Gloria Williams -LRB- 1942-2000 -RRB- was an American singer notable for being the original lead singer of an early incarnation of Martha and the Vandellas under the name , The Del-Phis .. Martha and the Vandellas. Martha and the Vandellas. American. United States. Born in Detroit , Michigan in 1942 , Williams auditioned for a spot in a girl group in 1957 , and found herself accompanying Annette Beard , Rosalind Ashford and Martha Reeves in the christened Del-Phis .. Annette Beard. Annette Beard. Rosalind Ashford. Rosalind Ashford. Martha Reeves. Martha Reeves. The group performed in benefits and high school parties before being signed to the Chess Records subsidiary Checkmate -LRB- later bought by Motown Records -RRB- , where the group recorded a single , `` I 'll Let You Know '' , with Williams on lead .. Checkmate. Chess Records. Chess Records. Chess Records. Motown Records. Motown Records. Once at Motown , the group during this period sung backing vocals for other acts / artists on studio recordings , such as Marvin Gaye .. backing vocals. backing vocals. Marvin Gaye. Marvin Gaye. Williams sung lead on an early single , `` There He Is -LRB- At My Door -RRB- '' , on the Mel-O-Dy subsidiary of Motown after the group changed their name to The Vels .. Mel-O-Dy. Motown Records. On the single 's flip side , `` You 'll Never Cherish A Love So True '' , she shares the lead with Rosalind Ashford , who recorded a spoken part .. Rosalind Ashford. Rosalind Ashford. However , when the single flopped , a frustrated Williams left the group leaving the band as a trio .. The group went on to international fame with Reeves as lead singer under the name of Martha and the Vandellas .. Martha and the Vandellas. Martha and the Vandellas. Williams died of diabetes complications in Detroit on July 5 , 2000 .. She was 57 years old .
not_related.