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

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

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