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

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

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