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

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

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