<<investor1:investor2>>{NE,SW}max=?(R{"profit1"}[F "cashed_in1"]+R{"profit2"}[F "cashed_in2"])
<<investor1:investor2>>{NE,FR}max=?(R{"profit1"}[F "cashed_in1"]+R{"profit2"}[F "cashed_in2"])
<<investor1:investor2>>{CE,SW}max=?(R{"profit1"}[F "cashed_in1"]+R{"profit2"}[F "cashed_in2"])
<<investor1:investor2>>{CE,FR}max=?(R{"profit1"}[F "cashed_in1"]+R{"profit2"}[F "cashed_in2"])