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

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

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