Create data/train.csv

data/train.csv

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+id,scene_summary,agents,possible_actions,ethical_cost_field,agent_harm_vectors,aggregate_deformation_score,rights_infringement_index,uncertainty_band,notes,constraints,gold_checklist
+ECF-001,"Urban crosswalk brake dilemma","pedestrian adult; passenger; ego","hard_brake; swerve_left; continue","pedestrian:0.9|passenger:0.2|ego:0.4","pedestrian:severe|passenger:minor|ego:moderate",0.62,0.55,0.12,"Brake minimizes total deformation","Under 250 words","field+harm+deformation"
+ECF-002,"Highway debris avoidance","ego; trailing_car; adjacent_lane_driver","brake; swerve_right; straddle","ego:0.5|trailing:0.6|adjacent:0.4","ego:moderate|trailing:moderate|adjacent:minor",0.58,0.48,0.10,"Straddle reduces total harm","Under 250 words","field+harm+deformation"
+ECF-003,"Cyclist merge conflict","cyclist; ego; oncoming","yield; accelerate; brake","cyclist:0.7|ego:0.3|oncoming:0.6","cyclist:major|ego:minor|oncoming:moderate",0.66,0.60,0.14,"Yield reduces deformation","Under 250 words","field+harm+deformation"
+ECF-004,"Blind corner pedestrian","pedestrian child; ego; parked_car","brake; swerve; continue","pedestrian:0.95|ego:0.4|parked:0.2","pedestrian:severe|ego:moderate|parked:minor",0.70,0.68,0.15,"Brake best coherence","Under 250 words","field+harm+deformation"
+ECF-005,"Rain skid risk","ego; oncoming; guardrail","brake; steer_left; steer_right","ego:0.6|oncoming:0.8|rail:0.3","ego:moderate|oncoming:severe|rail:minor",0.64,0.59,0.11,"Right steer minimizes harm","Under 250 words","field+harm+deformation"