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

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

*GRAMMAR*
wif -> BLUE 
 dax -> RED 
 lug -> YELLOW 
 blicket -> PURPLE 
 u1 tufa u2 -> [u2] [u1] 
 u1 zup x1 -> [x1] [u1] [x1] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 