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

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

*GRAMMAR*
wif -> YELLOW 
 fep -> BLUE 
 zup -> GREEN 
 dax -> RED 
 u1 gazzer u2 -> [u2] [u1] [u2] 
 u1 lug -> [u1] [u1] [u1] 
 u1 blicket x1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 