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

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

*GRAMMAR*
lug -> RED 
 fep -> YELLOW 
 kiki -> PURPLE 
 dax -> BLUE 
 u1 gazzer x1 -> [u1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 