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

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

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