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

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

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