situation_id,chopped_A,chopped_B,need_A,need_B,total_endowment
1,1000,1000,1800,1200,2000
2,1000,1000,1400,800,2000
3,1000,1000,1000,400,2000
4,1000,1000,700,100,2000
5,1000,1000,700,200,2000
6,1000,1000,600,100,2000