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

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

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