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

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

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