*SUPPORT*
IN: tufa kiki dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa gazzer lug OUT: BLUE YELLOW BLUE
IN: wif gazzer tufa OUT: YELLOW RED YELLOW
IN: lug wif kiki OUT: BLUE RED RED
IN: lug gazzer fep OUT: PINK BLUE PINK
IN: lug wif gazzer wif OUT: BLUE RED RED RED
IN: wif OUT: RED
IN: lug tufa gazzer fep OUT: BLUE PINK YELLOW PINK
IN: tufa fep gazzer wif OUT: YELLOW RED PINK RED
IN: fep OUT: PINK
IN: lug gazzer wif OUT: RED BLUE RED
IN: wif kiki OUT: RED RED
IN: fep gazzer lug OUT: BLUE PINK BLUE
IN: fep fep OUT: PINK PINK

*QUERY*
IN: fep fep lug dax OUT: PINK PINK BLUE PINK PINK BLUE
IN: wif tufa gazzer lug OUT: RED BLUE YELLOW BLUE
IN: lug tufa dax OUT: BLUE YELLOW BLUE YELLOW
IN: tufa OUT: YELLOW
IN: fep tufa gazzer wif OUT: PINK RED YELLOW RED
IN: fep fep dax OUT: PINK PINK PINK PINK
IN: fep gazzer fep OUT: PINK PINK PINK
IN: lug OUT: BLUE
IN: wif wif fep dax OUT: RED RED PINK RED RED PINK
IN: lug kiki OUT: BLUE BLUE

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