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

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

*GRAMMAR*
lug -> BLUE 
 wif -> PURPLE 
 fep -> RED 
 tufa -> PINK 
 x1 kiki x2 -> [x2] [x1] 
 x1 zup -> [x1] [x1] 
 u1 dax -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 