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

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

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