match beleble paper prompts more closely

lm_eval/tasks/belebele/README.md

@@ -32,7 +32,9 @@ Homepage: https://github.com/facebookresearch/belebele
 
 
 The following tasks evaluate languages in the Belebele dataset using loglikelihood-based multiple-choice scoring:
-- `cmmlu_{language}`
+- `belebele_{language}`
+
+The variant evaluated here is the 0-shot or few-shot evaluation with English Instructions.
 
 ### Checklist
 

lm_eval/tasks/belebele/_default_template_yaml

 group: belebele
 dataset_path: facebook/belebele
+description: "Choose the best answer to the question.\n"
 test_split: test
 fewshot_split: test
 fewshot_config:
@@ -7,7 +8,7 @@ fewshot_config:
 output_type: multiple_choice
 should_decontaminate: true
 doc_to_decontamination_query: "{{question}}"
-doc_to_text: "{{question.strip()}}\nA. {{mc_answer1}}\nB. {{mc_answer2}}\nC. {{mc_answer3}}\nD. {{mc_answer4}}\nAnswer："
+doc_to_text: "P: {{flores_passage}}\nQ: {{question.strip()}}\nA. {{mc_answer1}}\nB. {{mc_answer2}}\nC. {{mc_answer3}}\nD. {{mc_answer4}}\nAnswer："
 doc_to_choice: ["A", "B", "C", "D"]
 doc_to_target: "{{['1', '2', '3', '4'].index(correct_answer_num)}}"
 metric_list: