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

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

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