Create data/train.csv

data/train.csv

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+id,race_state_summary,tyre_state,fuel_state,weather_state,track_position,competitor_context,viable_actions,optimal_branch_set,constraints
+SB-001,"Lap 38, medium tyres fading","front_deg 0.6","fuel +12 laps","dry stable","P3 traffic ahead","leader pits lap40","pit now; extend 2 laps; extend 5 laps","extend 2 laps; pit lap40","Under 320 words"
+SB-002,"Lap 22, safety car window","soft stable","fuel +30 laps","rain in 12 laps","P6 clear air","top5 boxed","pit under SC; stay out","pit under SC","Under 320 words"
+SB-003,"Lap 51, tyre cliff risk","rear_deg 0.8","fuel +9 laps","dry","P2 gap 2s","P1 defending","pit now; defend track; overcut","pit now","Under 320 words"
+SB-004,"Lap 12 early degradation","front graining","fuel +45 laps","cloud building","P10 traffic","midfield pit window open","early pit; extend; switch tyre","early pit","Under 320 words"
+SB-005,"Lap 60 sprint end","tyre marginal","fuel +5 laps","light rain","P5","P4 on worn tyres","stay out; late pit","stay out","Under 320 words"