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

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

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