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

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

*GRAMMAR*
wif -> BLUE 
 kiki -> RED 
 tufa -> YELLOW 
 dax -> PINK 
 u1 zup u2 -> [u2] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 lug -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 