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

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

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