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

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

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