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

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

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