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

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

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