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

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

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