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

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

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