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

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

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