Skepsun/cvalues_rlhf

Converted from: https://modelscope.cn/datasets/damo/CValues-Comparison/summary. We obtained harmless set by selecting pos_type="拒绝为主" and neg_type="风险回复". We obtained helpful set by selecting pos_type="拒绝&正向建议" and neg_type="拒绝为主".