Question: who passed the vernacular press act in 1878 why was it passed
[{'answer': "the Viceroy 's Council", 'provenance': [{'wikipedia_id': '27171975', 'title': 'Vernacular Press Act', 'start_paragraph_id': 1, 'start_character': 357, 'end_paragraph_id': 1, 'end_character': 381, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'to curtail the freedom of the Indian press and prevent the expression of criticism toward British policies'}, {'provenance': [{'wikipedia_id': '27171975', 'title': 'Vernacular Press Act', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 631, 'bleu_score': 0.8849593775820631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3994740334226031819}, 'section': 'Section::::Abstract.'}]}]