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

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

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