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

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

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