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

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

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