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

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

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