Repository: modelscope/evalscope
Issue: 如何根据prediction的结果查看对应原始评测集的问题和正确答案？gsm8k公共评测集
Root cause: Documentation Deficiency

## 自查清单

在提交 issue 之前，请确保您已完成以下步骤:
- [ ] 我已仔细阅读了[相关使用说明文档](https://evalscope.readthedocs.io/zh-cn/latest/get_started/parameters.html)
- [ ] 我已查看了[常见问题解答](https://evalscope.readthedocs.io/zh-cn/latest/get_started/faq.html)
- [ ] 我已搜索并查看了现有的 issues，确认这不是一个重复的问题

## 问题描述
评测的公共集gsm8k
输出文件中只有prediction模型的预测结果

样例日志:
{"index": 34, "model": "Qwen3-14B", "model_output": {"model": "Qwen3-14B", "choices": [{"message": {"id": "5265b2e8", "content": [{"internal": null, "type": "rea
soning", "reasoning": "Okay, let's see. The problem is about figuring out how many jewels Siobhan has. Let me break it down step by step.\n\nFirst, the problem s
ays Raymond has 40 jewels. Then, Aaron has 5 more jewels than half of Raymond's jewels. So I need to calculate half of Raymond's jewels first. Raymond has 40, so
 half of that is 40 divided by 2, which is 20. Then Aaron has 5 more than that, so 20 + 5 equals 25. So Aaron has 25 jewels.\n\nNext, Siobhan has 2 fewer jewels 
than Aaron. Since Aaron has 25, subtracting 2 gives Siobhan's count. That would be 25 - 2 = 23. \n\nWait, let me check again. Raymond's jewels: 40. Half of Raymo
nd's is 20. Aaron has 5 more than that, so 20 +5 is indeed 25. Then Siobhan is 2 less than Aaron, so 25-2=23. Yeah, that seems right. I don't think I missed any 
steps here. The answer should be 23.", "signature": null, "redacted": false}, {"internal": null, "type": "text", "text": "ANSWER: 23", "refusal": null}], "source
": "generate", "metadata": null, "internal": null, "role": "assistant", "tool_calls": null, "model": "Qwen3-14B"}, "stop_reason": "stop", "logprobs": null}], "us
age": {"input_tokens": 715, "output_tokens": 268, "total_tokens": 983, "input_tokens_cache_write": null, "input_tokens_cache_read": null, "reasoning_tokens": nul
l}, "time": null, "metadata": null, "error": null}, "messages": [{"id": "5265b2e8", "content": [{"internal": null, "type": "reasoning", "reasoning": "Okay, let's
 see. The problem is about figuring out how many jewels Siobhan has. Let me break it down step by step.\n\nFirst, the problem says Raymond has 40 jewels. Then, A
aron has 5 more jewels than half of Raymond's jewels. So I need to calculate half of Raymond's jewels first. Raymond has 40, so half of that is 40 divided by 2, 
which is 20. Then Aaron has 5 more than that, so 20 + 5 equals 25. So Aaron has 25 jewels.\n\nNext, Siobhan has 2 fewer jewels than Aaron. Since Aaron has 25, su
btracting 2 gives Siobhan's count. That would be 25 - 2 = 23. \n\nWait, let me check again. Raymond's jewels: 40. Half of Raymond's is 20. Aaron has 5 more than 
that, so 20 +5 is indeed 25. Then Siobhan is 2 less than Aaron, so 25-2=23. Yeah, that seems right. I don't think I missed any steps here. The answer should be 2
3.", "signature": null, "redacted": false}, {"internal": null, "type": "text", "text": "ANSWER: 23", "refusal": null}], "source": "generate", "metadata": null, "
internal": null, "role": "assistant", "tool_calls": null, "model": "Qwen3-14B"}], "metadata": {"reasoning": "Half of Raymond's jewels is 40/2 = <<40/2=20>>20\nSi
nce Aaron has 5 more jewels than half of Raymond's jewels, he has 20+5 = <<5+20=25>>25 jewels.\nIf Siobhan has 2 fewer jewels than Aaron, he has 25-2 = 23 jewels
."}}

如何根据prediction的结果查看对应原始评测集的问题和正确答案? 

## EvalScope 版本（必填）
v0.xx.x

## 使用的工具
- [ ] Native / 原生框架
- [ ] Opencompass backend
- [ ] VLMEvalKit backend
- [ ] RAGEval backend
- [ ] Perf / 模型推理压测工具
- [ ] Arena / 竞技场模式

## 执行的代码或指令

请提供您执行的主要代码或指令。

## 错误日志

请粘贴完整的错误日志或控制台输出。

## 运行环境

- 操作系统：
- Python版本：

## 其他信息

如果有其他相关信息，请在此处提供。

你运行的评测命令是什么，使用的什么版本evalscope，输出目录下没有reviews这个文件夹吗？