situation_id,chopped_A,chopped_B,need_A,need_B,total_endowment
1,1200,1800,1000,1000,3000
2,800,1400,1000,1000,2200
3,400,1000,1000,1000,1400
4,100,700,1000,1000,800
5,200,700,1000,1000,900
6,100,600,1000,1000,700