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

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

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