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

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

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