Question: who plays the mom on the tv show mom
[{'answer': 'Allison Janney', 'provenance': [{'wikipedia_id': '39355235', 'title': 'Mom (TV series)', 'start_paragraph_id': 2, 'start_character': 329, 'end_paragraph_id': 2, 'end_character': 343, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Anna Faris', 'provenance': [{'wikipedia_id': '39355235', 'title': 'Mom (TV series)', 'start_paragraph_id': 2, 'start_character': 314, 'end_paragraph_id': 2, 'end_character': 324, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39355235', 'title': 'Mom (TV series)', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 600, 'bleu_score': 0.653206205309082, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1540748660270704765}, 'section': 'Section::::Synopsis.\n'}]}, {'provenance': [{'wikipedia_id': '39355235', 'title': 'Mom (TV series)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1540748660270704765}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45259203', 'title': 'Mom (season 1)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['The series follows Christy Plunkett (Anna Faris), a 35-year-old single mother', "The series follows Christy Plunkett (Anna Faris), a 35-year-old single mother whoafter dealing with her battle with alcoholism and drug addictiondecides to restart her life in Napa, California's wine country working as a waitress at the restaurant Rustic Fig and attending Alcoholics Anonymous meetings. Her 51-year-old mother Bonnie Plunkett (Allison Janney) is also a recovering drug and alcohol addict, as well as her 17-year-old daughter Violet (Sadie Calvano), who was born when Christy was 17, has become pregnant by her boyfriend Luke (Spencer Daniels).", 'The series follows Christy Plunkett (Anna Faris), a 35-year-old single mother']}}]}, {'provenance': [{'wikipedia_id': '42194639', 'title': 'List of Mom episodes', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['It follows Christy Plunkett (Anna Faris), a single mother who, upon reaching a turning point', '"Mom" is an American sitcom that premiered on September 23, 2013, on CBS. The series was created by Chuck Lorre, Eddie Gorodetsky and Gemma Baker. It follows Christy Plunkett (Anna Faris), a single mother who, upon reaching a turning point in her battle with alcoholism and drug addiction, decides to restart her life in Napa, California\'s wine country, working as a waitress at the restaurant Rustic Fig and attending Alcoholics Anonymous meetings. Her mother Bonnie Plunkett (Allison Janney) is also a recovering drug and alcohol addict who attempts to have a healthy romantic relationship with her fiancé, Adam (William Fichtner), a paraplegic ex-stuntman; and her 17-year-old daughter Violet (Sadie Calvano) born when Christy was just 16 was herself pregnant by way of her boyfriend Luke (Spencer Daniels) in season 1.', 'It follows Christy Plunkett (Anna Faris), a single mother']}}]}, {'provenance': [{'wikipedia_id': '39355235', 'title': 'Mom (TV series)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['It stars Anna Faris and Allison Janney in the leading roles.', 'Set in Napa, California, it follows dysfunctional daughter/mother duo Christy and Bonnie Plunkett, who, after having been estranged for years while both were struggling with addiction, attempt to pull their lives and their relationship together by trying to stay sober and attending Alcoholics Anonymous. It stars Anna Faris and Allison Janney in the leading roles.', 'It stars Anna Faris and Allison Janney in the leading roles.']}}]}]