scenario,situation,productivity_a,productivity_b,need_a,need_b
need,1,500,500,1600,400
need,2,500,500,1400,600
need,3,500,500,1200,800
productivity,1,200,800,1000,1000
productivity,2,300,700,1000,1000
productivity,3,400,600,1000,1000