*SUPPORT*
IN: tufa lug blicket OUT: BLUE YELLOW YELLOW
IN: lug dax lug dax blicket OUT: YELLOW PURPLE YELLOW PURPLE PURPLE
IN: zup wif OUT: RED RED
IN: zup kiki lug OUT: YELLOW RED RED
IN: tufa kiki tufa OUT: BLUE BLUE BLUE
IN: zup blicket OUT: RED RED
IN: zup kiki tufa OUT: BLUE RED RED
IN: lug tufa OUT: YELLOW BLUE
IN: lug zup tufa OUT: YELLOW RED BLUE
IN: dax dax tufa OUT: PURPLE PURPLE BLUE
IN: dax lug blicket OUT: PURPLE YELLOW YELLOW
IN: lug zup OUT: YELLOW RED
IN: dax lug kiki zup wif OUT: PURPLE RED YELLOW YELLOW PURPLE RED YELLOW YELLOW
IN: zup tufa kiki tufa OUT: RED BLUE BLUE BLUE

*QUERY*
IN: dax kiki zup OUT: RED PURPLE PURPLE
IN: lug dax blicket OUT: YELLOW PURPLE PURPLE
IN: zup kiki dax wif OUT: PURPLE RED RED PURPLE RED RED
IN: dax blicket OUT: PURPLE PURPLE
IN: zup blicket wif wif OUT: RED RED RED RED RED RED RED RED
IN: dax kiki tufa OUT: BLUE PURPLE PURPLE
IN: tufa blicket OUT: BLUE BLUE
IN: dax kiki dax wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: lug kiki tufa OUT: BLUE YELLOW YELLOW
IN: lug OUT: YELLOW

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