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

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

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