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

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

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