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

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

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