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

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

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