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

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

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