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

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

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