*SUPPORT*
IN: lug gazzer dax OUT: GREEN RED
IN: kiki kiki gazzer kiki OUT: YELLOW YELLOW YELLOW
IN: kiki OUT: YELLOW
IN: kiki blicket OUT: YELLOW YELLOW
IN: dax lug tufa dax OUT: RED RED GREEN
IN: fep OUT: PINK
IN: lug dax OUT: GREEN RED
IN: kiki gazzer lug tufa fep tufa kiki OUT: YELLOW PINK YELLOW GREEN
IN: lug fep gazzer kiki OUT: GREEN PINK YELLOW
IN: dax blicket OUT: RED RED
IN: dax dax blicket tufa kiki OUT: YELLOW RED RED RED
IN: dax kiki dax OUT: RED YELLOW RED
IN: fep fep gazzer lug OUT: PINK PINK GREEN
IN: lug blicket OUT: GREEN GREEN

*QUERY*
IN: kiki gazzer dax OUT: YELLOW RED
IN: lug gazzer lug OUT: GREEN GREEN
IN: lug dax blicket tufa fep tufa dax OUT: RED PINK GREEN RED RED
IN: dax gazzer dax OUT: RED RED
IN: kiki blicket tufa dax OUT: RED YELLOW YELLOW
IN: kiki kiki blicket OUT: YELLOW YELLOW YELLOW
IN: kiki gazzer kiki OUT: YELLOW YELLOW
IN: fep gazzer fep OUT: PINK PINK
IN: fep gazzer fep tufa dax tufa fep OUT: PINK RED PINK PINK
IN: lug gazzer fep OUT: GREEN PINK

*GRAMMAR*
kiki -> YELLOW 
 lug -> GREEN 
 dax -> RED 
 fep -> PINK 
 u1 gazzer u2 -> [u1] [u2] 
 u1 blicket -> [u1] [u1] 
 x1 tufa u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 