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

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

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