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

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

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