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

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

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