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

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

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