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

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

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