*SUPPORT*
IN: dax lug OUT: YELLOW YELLOW YELLOW
IN: tufa lug OUT: BLUE BLUE BLUE
IN: wif dax OUT: GREEN YELLOW
IN: zup tufa dax blicket zup blicket wif OUT: RED BLUE YELLOW RED RED GREEN GREEN
IN: tufa lug blicket zup OUT: BLUE BLUE BLUE RED RED
IN: zup lug blicket wif fep tufa lug OUT: BLUE BLUE BLUE RED RED RED GREEN GREEN
IN: zup fep dax lug OUT: YELLOW YELLOW YELLOW RED
IN: tufa fep wif blicket tufa OUT: GREEN BLUE BLUE BLUE
IN: wif dax zup zup lug OUT: GREEN YELLOW RED RED RED RED
IN: dax blicket tufa OUT: YELLOW BLUE BLUE
IN: tufa wif OUT: BLUE GREEN
IN: zup lug OUT: RED RED RED
IN: zup blicket zup blicket tufa OUT: RED RED RED BLUE BLUE
IN: dax blicket wif OUT: YELLOW GREEN GREEN

*QUERY*
IN: wif lug blicket dax OUT: GREEN GREEN GREEN YELLOW YELLOW
IN: wif OUT: GREEN
IN: wif wif blicket dax OUT: GREEN GREEN YELLOW YELLOW
IN: wif fep dax lug blicket tufa OUT: YELLOW YELLOW YELLOW BLUE BLUE GREEN
IN: wif lug OUT: GREEN GREEN GREEN
IN: wif lug fep dax tufa lug OUT: YELLOW BLUE BLUE BLUE GREEN GREEN GREEN
IN: dax OUT: YELLOW
IN: zup OUT: RED
IN: tufa OUT: BLUE
IN: tufa blicket wif OUT: BLUE GREEN GREEN

*GRAMMAR*
zup -> RED 
 dax -> YELLOW 
 tufa -> BLUE 
 wif -> GREEN 
 u1 lug -> [u1] [u1] [u1] 
 x1 fep x2 -> [x2] [x1] 
 x1 blicket u1 -> [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 