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

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

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