Question: what are the aims and objectives of waec
[{'answer': 'To maintain internationally accepted procedures', 'provenance': [{'wikipedia_id': '4931021', 'title': 'West African Examinations Council', 'start_paragraph_id': 75, 'start_character': 13, 'end_paragraph_id': 75, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Mission of the Council.\n'}]}, {'answer': 'To keep providing qualitative and reliable educational assessment'}, {'answer': 'To keep encouraging Students in getting academic excellence'}, {'answer': 'To keep promoting sustainable human resources development , mutual understanding and international cooperation'}]