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

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

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