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

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

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