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

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

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