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

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

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