*SUPPORT*
IN: kiki wif fep kiki fep kiki OUT: RED RED RED PURPLE
IN: kiki tufa zup OUT: BLUE RED
IN: lug kiki tufa zup gazzer kiki OUT: RED PINK BLUE RED
IN: zup tufa lug OUT: PINK BLUE
IN: zup OUT: BLUE
IN: kiki kiki wif zup lug fep lug OUT: PINK RED RED PURPLE BLUE PINK
IN: lug tufa wif OUT: PURPLE PINK
IN: kiki gazzer wif gazzer zup OUT: BLUE PURPLE RED
IN: zup tufa kiki OUT: RED BLUE
IN: zup wif gazzer zup gazzer zup gazzer wif OUT: PURPLE BLUE BLUE BLUE PURPLE
IN: zup kiki wif zup gazzer kiki fep lug OUT: PINK RED BLUE RED PURPLE BLUE
IN: lug tufa zup OUT: BLUE PINK
IN: kiki OUT: RED
IN: kiki lug gazzer wif fep zup gazzer zup OUT: BLUE BLUE PURPLE RED PINK

*QUERY*
IN: zup zup tufa wif gazzer wif OUT: PURPLE BLUE PURPLE BLUE
IN: kiki wif OUT: RED PURPLE
IN: zup tufa zup OUT: BLUE BLUE
IN: zup kiki fep kiki OUT: RED BLUE RED
IN: wif zup fep zup fep wif OUT: PURPLE BLUE PURPLE BLUE
IN: wif tufa zup gazzer wif OUT: PURPLE BLUE PURPLE
IN: lug fep zup OUT: BLUE PINK
IN: lug OUT: PINK
IN: lug tufa kiki OUT: RED PINK
IN: wif lug OUT: PURPLE PINK

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