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

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

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