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

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

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