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

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

*GRAMMAR*
wif -> BLUE 
 zup -> GREEN 
 lug -> RED 
 dax -> PINK 
 x1 gazzer x2 -> [x1] [x2] 
 u1 blicket u2 -> [u1] [u2] [u1] [u2] 
 u1 tufa -> [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 