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

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

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