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

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

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