situation_id,scen_1_need,scen_1_endowment,scen_2_need,scen_2_endowment
1,1000,1600,200,?
2,1000,1600,400,?
3,1000,1600,600,?
4,1000,1600,800,?
5,1000,1600,1000,?
6,1000,1600,1200,?
7,1000,1600,1400,?
8,1000,1600,1600,?
9,1000,1600,1800,?
10,1000,1600,2000,?