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

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

*GRAMMAR*
fep -> RED 
 lug -> PURPLE 
 blicket -> GREEN 
 wif -> BLUE 
 u1 zup x1 -> [x1] [u1] 
 u1 gazzer u2 -> [u1] [u2] [u2] 
 x1 dax x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 