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

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

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