*SUPPORT*
IN: tufa gazzer lug dax dax wif gazzer OUT: YELLOW PURPLE PURPLE RED RED PURPLE
IN: tufa lug tufa zup tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep OUT: PINK
IN: tufa lug tufa dax zup gazzer OUT: YELLOW YELLOW YELLOW PURPLE RED
IN: tufa lug fep OUT: YELLOW YELLOW PINK
IN: dax lug gazzer wif dax OUT: RED RED PURPLE RED
IN: gazzer fep OUT: PURPLE PINK
IN: tufa zup dax OUT: RED YELLOW
IN: gazzer tufa wif fep OUT: PURPLE YELLOW PINK
IN: fep lug gazzer zup fep OUT: PINK PINK PINK PURPLE
IN: gazzer wif dax OUT: PURPLE RED
IN: tufa lug gazzer zup fep OUT: YELLOW YELLOW PINK PURPLE
IN: tufa wif tufa OUT: YELLOW YELLOW
IN: fep lug fep OUT: PINK PINK PINK

*QUERY*
IN: tufa zup fep OUT: PINK YELLOW
IN: fep dax zup tufa OUT: PINK YELLOW RED
IN: fep zup dax OUT: RED PINK
IN: gazzer lug tufa OUT: PURPLE PURPLE YELLOW
IN: gazzer zup tufa OUT: YELLOW PURPLE
IN: gazzer wif fep OUT: PURPLE PINK
IN: gazzer OUT: PURPLE
IN: fep lug tufa wif fep OUT: PINK PINK YELLOW PINK
IN: fep lug dax wif tufa OUT: PINK PINK RED YELLOW
IN: fep fep lug dax dax OUT: PINK PINK PINK RED RED

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