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

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

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