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

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

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