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

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

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